Q: What is the negative version of the number 221,372,819?
A: -221,372,819
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:
| 221,372,817 | 221,372,818 | 221,372,820 | 221,372,821 |
| -221,372,817 | -221,372,818 | -221,372,820 | -221,372,821 |