Q: What is the negative version of the number 221,521,239?
A: -221,521,239
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:
| 221,521,237 | 221,521,238 | 221,521,240 | 221,521,241 |
| -221,521,237 | -221,521,238 | -221,521,240 | -221,521,241 |