Q: What is the negative version of the number 221,215,251?
A: -221,215,251
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 221,215,249 | 221,215,250 | 221,215,252 | 221,215,253 |
| -221,215,249 | -221,215,250 | -221,215,252 | -221,215,253 |