21122022122200 has 24 divisors (see below), whose sum is σ = 49108701434580. Its totient is φ = 8448808848800.

The previous prime is 21122022122147. The next prime is 21122022122249. The reversal of 21122022122200 is 222122022112.

It is a super-2 number, since 2×21122022122200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 52805055106 + ... + 52805055505.

Almost surely, 2^{21122022122200} is an apocalyptic number.

21122022122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21122022122200 is an abundant number, since it is smaller than the sum of its proper divisors (27986679312380).

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

21122022122200 is a wasteful number, since it uses less digits than its factorization.

21122022122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105610110627 (or 105610110618 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21122022122200 its reverse (222122022112), we get a palindrome (21344144144312).

The spelling of 21122022122200 in words is "twenty-one trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, two hundred".