Q: What is the negative version of the number 221,521,242?
A: -221,521,242
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:
| 221,521,240 | 221,521,241 | 221,521,243 | 221,521,244 |
| -221,521,240 | -221,521,241 | -221,521,243 | -221,521,244 |