Q: What is the negative version of the number 221,020,221?
A: -221,020,221
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:
| 221,020,219 | 221,020,220 | 221,020,222 | 221,020,223 |
| -221,020,219 | -221,020,220 | -221,020,222 | -221,020,223 |