22122210021200 has 60 divisors (see below), whose sum is σ = 54279431102400. Its totient is φ = 8660609873280.

The previous prime is 22122210021169. The next prime is 22122210021209. The reversal of 22122210021200 is 212001222122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122210021209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588337850 + ... + 588375449.

It is an arithmetic number, because the mean of its divisors is an integer number (904657185040).

Almost surely, 2^{22122210021200} is an apocalyptic number.

22122210021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122210021200 is an abundant number, since it is smaller than the sum of its proper divisors (32157221081200).

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

22122210021200 is a wasteful number, since it uses less digits than its factorization.

22122210021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176713364 (or 1176713353 counting only the distinct ones).

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

Adding to 22122210021200 its reverse (212001222122), we get a palindrome (22334211243322).

The spelling of 22122210021200 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred ten million, twenty-one thousand, two hundred".