22212220021112 has 32 divisors (see below), whose sum is σ = 45434282054400. Its totient is φ = 10096420168800.

The previous prime is 22212220021109. The next prime is 22212220021127. The reversal of 22212220021112 is 21112002221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29213687 + ... + 29964377.

It is an arithmetic number, because the mean of its divisors is an integer number (1419821314200).

Almost surely, 2^{22212220021112} is an apocalyptic number.

22212220021112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22212220021112 is an abundant number, since it is smaller than the sum of its proper divisors (23222062033288).

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

22212220021112 is a wasteful number, since it uses less digits than its factorization.

22212220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086947 (or 1086943 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22212220021112 its reverse (21112002221222), we get a palindrome (43324222242334).

The spelling of 22212220021112 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty million, twenty-one thousand, one hundred twelve".