Q: What is the negative version of the number 221,521,012?
A: -221,521,012
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:
| 221,521,010 | 221,521,011 | 221,521,013 | 221,521,014 |
| -221,521,010 | -221,521,011 | -221,521,013 | -221,521,014 |