A 11-digit number is a number that has 11 digits where the first digit must be 1 or greater. On this page, we will answer three questions for you: What is the smallest 11-digit number? What is the largest 11-digit number? How many 11-digit numbers are there?

**Smallest 11-digit number**

The smallest 11-digit number is 1 followed by 10 zeros. This number is called ten billion.

**Largest 11-digit number**

The largest 11-digit number is 9 followed by another 10 nines. This number is called ninety-nine billion nine hundred ninety-nine million nine hundred ninety-nine thousand nine hundred ninety-nine.

**Total number of 11-digit numbers**

There are a total of ninety billion different 11-digit numbers. ninety billion is 9 followed by 10 zeros.

**Digit Numbers**

Here you can learn about another digit number.

**What is a 12-digit number?**

Go here for information about the next digit number on our list that we have information about.

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