22131033100 has 54 divisors (see below), whose sum is σ = 52787115332. Its totient is φ = 8047644000.

The previous prime is 22131033091. The next prime is 22131033103. The reversal of 22131033100 is 133013122.

It is a super-2 number, since 2×22131033100² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22131033103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 902406 + ... + 926605.

Almost surely, 2^22131033100 is an apocalyptic number.

22131033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131033100 is an abundant number, since it is smaller than the sum of its proper divisors (30656082232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22131033100 is a wasteful number, since it uses less digits than its factorization.

22131033100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829047 (or 1829029 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 22131033100 its reverse (133013122), we get a palindrome (22264046222).

The spelling of 22131033100 in words is "twenty-two billion, one hundred thirty-one million, thirty-three thousand, one hundred".