222110111112 has 128 divisors (see below), whose sum is σ = 600636451200. Its totient is φ = 68205846528.

The previous prime is 222110111071. The next prime is 222110111123. The reversal of 222110111112 is 211111011222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222110111091 and 222110111100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49213368 + ... + 49217880.

It is an arithmetic number, because the mean of its divisors is an integer number (4692472275).

Almost surely, 2^222110111112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222110111112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300318225600).

222110111112 is an abundant number, since it is smaller than the sum of its proper divisors (378526340088).

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

222110111112 is a wasteful number, since it uses less digits than its factorization.

222110111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495 (or 7491 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 222110111112 its reverse (211111011222), we get a palindrome (433221122334).

The spelling of 222110111112 in words is "two hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, one hundred twelve".