22100020100100 has 108 divisors (see below), whose sum is σ = 69816728776704. Its totient is φ = 5846934421440.

The previous prime is 22100020100087. The next prime is 22100020100117. The reversal of 22100020100100 is 100102000122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 96561204 + ... + 96789803.

Almost surely, 2^{22100020100100} is an apocalyptic number.

22100020100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100020100100 is an abundant number, since it is smaller than the sum of its proper divisors (47716708676604).

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

22100020100100 is a wasteful number, since it uses less digits than its factorization.

22100020100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193351154 (or 193351144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22100020100100 its reverse (100102000122), we get a palindrome (22200122100222).

The spelling of 22100020100100 in words is "twenty-two trillion, one hundred billion, twenty million, one hundred thousand, one hundred".