22210120012100 has 18 divisors (see below), whose sum is σ = 48195960426474. Its totient is φ = 8884048004800.

The previous prime is 22210120012079. The next prime is 22210120012111. The reversal of 22210120012100 is 121002101222.

It can be written as a sum of positive squares in 3 ways, for example, as 655345297156 + 21554774714944 = 809534^2 + 4642712^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111050599961 + ... + 111050600160.

Almost surely, 2^{22210120012100} is an apocalyptic number.

22210120012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210120012100 is an abundant number, since it is smaller than the sum of its proper divisors (25985840414374).

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

22210120012100 is a wasteful number, since it uses less digits than its factorization.

22210120012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222101200135 (or 222101200128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22210120012100 its reverse (121002101222), we get a palindrome (22331122113322).

The spelling of 22210120012100 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty million, twelve thousand, one hundred".