22202012122100 has 36 divisors (see below), whose sum is σ = 49839689287500. Its totient is φ = 8574570197760.

The previous prime is 22202012122063. The next prime is 22202012122117. The reversal of 22202012122100 is 122121020222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1795524960784 + 20406487161316 = 1339972^2 + 4517354^2 .

It is a congruent number.

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, 3827930225 + ... + 3827936024.

Almost surely, 2^{22202012122100} is an apocalyptic number.

22202012122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202012122100 is an abundant number, since it is smaller than the sum of its proper divisors (27637677165400).

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

22202012122100 is a wasteful number, since it uses less digits than its factorization.

22202012122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655866292 (or 7655866285 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22202012122100 its reverse (122121020222), we get a palindrome (22324133142322).

The spelling of 22202012122100 in words is "twenty-two trillion, two hundred two billion, twelve million, one hundred twenty-two thousand, one hundred".