222112212022112 has 48 divisors (see below), whose sum is σ = 447458212377792. Its totient is φ = 108472093591680.

The previous prime is 222112212022093. The next prime is 222112212022147. The reversal of 222112212022112 is 211220212211222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118078463 + ... + 119944769.

It is an arithmetic number, because the mean of its divisors is an integer number (9322046091204).

Almost surely, 2^{222112212022112} is an apocalyptic number.

It is an amenable number.

222112212022112 is an abundant number, since it is smaller than the sum of its proper divisors (225346000355680).

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

222112212022112 is a wasteful number, since it uses less digits than its factorization.

222112212022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952851 (or 1952843 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222112212022112 its reverse (211220212211222), we get a palindrome (433332424233334).

The spelling of 222112212022112 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, twenty-two thousand, one hundred twelve".