22,121 in words
22,121
twenty-two thousand one hundred twenty-one
22,121 is written twenty-two thousand one hundred twenty-one.
Ways to write it
- As an ordinal
- twenty-two thousand one hundred twenty-first
- Expanded form
- 20,000 + 2,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 11, 2,011 and 22,121 (4 factors)
- First 10 multiples
- 22,121, 44,242, 66,363, 88,484, 110,605, 132,726, 154,847, 176,968, 199,089, 221,210
- Square
- 22,121 × 22,121 = 489,338,641
- Square root
- ≈ 148.73
- Sum of the digits
- 2 + 2 + 1 + 2 + 1 = 8
- Rounded to the nearest 10
- 22,120
- Rounded to the nearest 100
- 22,100
- Rounded to the nearest 1000
- 22,000
- Number before
- 22,120
- Number after
- 22,122
- In binary
101011001101001
Quick check
What number comes just after 22,121?
Show the answer
22,122
Is 22,121 even or odd?
Show the answer
Odd
What is 22,121 + 10?
Show the answer
22,131
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 22,121 in words?
22,121 is written "twenty-two thousand one hundred twenty-one".
Is 22,121 a prime number?
No. 22,121 is a composite number, because it has more than two factors.
What are the factors of 22,121?
The factors of 22,121 are 1, 11, 2,011 and 22,121.