Q: What is the negative version of the number 221,521,129?
A: -221,521,129
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:
| 221,521,127 | 221,521,128 | 221,521,130 | 221,521,131 |
| -221,521,127 | -221,521,128 | -221,521,130 | -221,521,131 |