10,121 in words
10,121
ten thousand one hundred and twenty-one
10,121 is written ten thousand one hundred and twenty-one.
Ways to write it
- As an ordinal
- ten thousand one hundred and twenty-first
- Expanded form
- 10,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 0 | 0 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 29, 349 and 10,121 (4 factors)
- First 10 multiples
- 10,121, 20,242, 30,363, 40,484, 50,605, 60,726, 70,847, 80,968, 91,089, 101,210
- Square
- 10,121 × 10,121 = 102,434,641
- Square root
- ≈ 100.60
- Sum of the digits
- 1 + 0 + 1 + 2 + 1 = 5
- Rounded to the nearest 10
- 10,120
- Rounded to the nearest 100
- 10,100
- Rounded to the nearest 1000
- 10,000
- Number before
- 10,120
- Number after
- 10,122
- In binary
10011110001001
Quick check
What number comes just after 10,121?
Show the answer
10,122
Is 10,121 even or odd?
Show the answer
Odd
What is 10,121 + 10?
Show the answer
10,131
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 10,121 in words?
10,121 is written "ten thousand one hundred and twenty-one".
Is 10,121 a prime number?
No. 10,121 is a composite number, because it has more than two factors.
What are the factors of 10,121?
The factors of 10,121 are 1, 29, 349 and 10,121.