22221023132100 has 72 divisors (see below), whose sum is σ = 69238429012480. Its totient is φ = 5469790308480.

The previous prime is 22221023132093. The next prime is 22221023132117. The reversal of 22221023132100 is 123132012222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2848845220 + ... + 2848853019.

Almost surely, 2^{22221023132100} is an apocalyptic number.

22221023132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221023132100 is an abundant number, since it is smaller than the sum of its proper divisors (47017405880380).

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

22221023132100 is a wasteful number, since it uses less digits than its factorization.

22221023132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697698269 (or 5697698262 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22221023132100 its reverse (123132012222), we get a palindrome (22344155144322).

The spelling of 22221023132100 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-three million, one hundred thirty-two thousand, one hundred".