22002121112100 has 36 divisors (see below), whose sum is σ = 63659470418544. Its totient is φ = 5867232296480.

The previous prime is 22002121112063. The next prime is 22002121112123. The reversal of 22002121112100 is 121112120022.

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 22002121112100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36670201554 + ... + 36670202153.

Almost surely, 2^{22002121112100} is an apocalyptic number.

22002121112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002121112100 is an abundant number, since it is smaller than the sum of its proper divisors (41657349306444).

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

22002121112100 is a wasteful number, since it uses less digits than its factorization.

22002121112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73340403724 (or 73340403717 counting only the distinct ones).

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

Adding to 22002121112100 its reverse (121112120022), we get a palindrome (22123233232122).

The spelling of 22002121112100 in words is "twenty-two trillion, two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred".