22212022021100 has 36 divisors (see below), whose sum is σ = 48200328825264. Its totient is φ = 8884764377280.

The previous prime is 22212022021081. The next prime is 22212022021159. The reversal of 22212022021100 is 112022021222.

It is a happy 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, 25731089 + ... + 26580311.

It is an arithmetic number, because the mean of its divisors is an integer number (1338898022924).

Almost surely, 2^{22212022021100} is an apocalyptic number.

22212022021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212022021100 is an abundant number, since it is smaller than the sum of its proper divisors (25988306804164).

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

22212022021100 is a wasteful number, since it uses less digits than its factorization.

22212022021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110794 (or 1110787 counting only the distinct ones).

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

Adding to 22212022021100 its reverse (112022021222), we get a palindrome (22324044042322).

The spelling of 22212022021100 in words is "twenty-two trillion, two hundred twelve billion, twenty-two million, twenty-one thousand, one hundred".