Square Root Calculator › Square root of 121
Square Root of 121
√121 = 11
121 is a perfect square: 11 × 11 = 121. Its square root is the whole number 11.
| Number | 121 |
| Square root (decimal) | 11 |
| Simplified radical | 11 |
| Perfect square? | Yes |
| Rational? | Yes |
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Frequently asked questions
Is 121 a perfect square?
Yes. 121 is a perfect square because 11 × 11 = 121, so √121 = 11.
What is the square root of 121 in simplest radical form?
√121 simplifies to the whole number 11.