22331002231100 has 72 divisors (see below), whose sum is σ = 51041775200640. Its totient is φ = 8456789119680.

The previous prime is 22331002231093. The next prime is 22331002231127. The reversal of 22331002231100 is 113220013322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 876842 + ... + 6740241.

Almost surely, 2^{22331002231100} is an apocalyptic number.

22331002231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331002231100 is an abundant number, since it is smaller than the sum of its proper divisors (28710772969540).

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

22331002231100 is a wasteful number, since it uses less digits than its factorization.

22331002231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618659 (or 7618652 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22331002231100 its reverse (113220013322), we get a palindrome (22444222244422).

The spelling of 22331002231100 in words is "twenty-two trillion, three hundred thirty-one billion, two million, two hundred thirty-one thousand, one hundred".