222222120012112 has 20 divisors (see below), whose sum is σ = 469696753662336. Its totient is φ = 101010054550880.

The previous prime is 222222120012103. The next prime is 222222120012223. The reversal of 222222120012112 is 211210021222222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631312840768 + ... + 631312841119.

Almost surely, 2^{222222120012112} is an apocalyptic number.

222222120012112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222222120012112 is an abundant number, since it is smaller than the sum of its proper divisors (247474633650224).

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

222222120012112 is a wasteful number, since it uses less digits than its factorization.

222222120012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262625681906 (or 1262625681900 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222222120012112 its reverse (211210021222222), we get a palindrome (433432141234334).

The spelling of 222222120012112 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, twelve thousand, one hundred twelve".