22012122110100 has 144 divisors (see below), whose sum is σ = 63750739024896. Its totient is φ = 5864156928000.

The previous prime is 22012122110047. The next prime is 22012122110107. The reversal of 22012122110100 is 101122121022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22012122110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012122110107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2242240392 + ... + 2242250208.

Almost surely, 2^{22012122110100} is an apocalyptic number.

22012122110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012122110100 is an abundant number, since it is smaller than the sum of its proper divisors (41738616914796).

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

22012122110100 is a wasteful number, since it uses less digits than its factorization.

22012122110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16386 (or 16379 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012122110100 its reverse (101122121022), we get a palindrome (22113244231122).

The spelling of 22012122110100 in words is "twenty-two trillion, twelve billion, one hundred twenty-two million, one hundred ten thousand, one hundred".