222112020221112 has 64 divisors (see below), whose sum is σ = 634736324851200. Its totient is φ = 63447521927040.

The previous prime is 222112020220997. The next prime is 222112020221249. The reversal of 222112020221112 is 211122020211222.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 135173412 + ... + 136806707.

It is an arithmetic number, because the mean of its divisors is an integer number (9917755075800).

Almost surely, 2^{222112020221112} is an apocalyptic number.

It is an amenable number.

222112020221112 is an abundant number, since it is smaller than the sum of its proper divisors (412624304630088).

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

222112020221112 is a wasteful number, since it uses less digits than its factorization.

222112020221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271984996 (or 271984992 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222112020221112 its reverse (211122020211222), we get a palindrome (433234040432334).

The spelling of 222112020221112 in words is "two hundred twenty-two trillion, one hundred twelve billion, twenty million, two hundred twenty-one thousand, one hundred twelve".