Q: What is the negative version of the number 221,215,525?
A: -221,215,525
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:
| 221,215,523 | 221,215,524 | 221,215,526 | 221,215,527 |
| -221,215,523 | -221,215,524 | -221,215,526 | -221,215,527 |