222102111112 has 32 divisors (see below), whose sum is σ = 481957574400. Its totient is φ = 93981723264.

The previous prime is 222102111107. The next prime is 222102111113. The reversal of 222102111112 is 211111201222.

It is not an unprimeable number, because it can be changed into a prime (222102111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25097533 + ... + 25106380.

It is an arithmetic number, because the mean of its divisors is an integer number (15061174200).

Almost surely, 2^222102111112 is an apocalyptic number.

It is an amenable number.

222102111112 is an abundant number, since it is smaller than the sum of its proper divisors (259855463288).

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

222102111112 is a wasteful number, since it uses less digits than its factorization.

222102111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50204005 (or 50204001 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222102111112 its reverse (211111201222), we get a palindrome (433213312334).

The spelling of 222102111112 in words is "two hundred twenty-two billion, one hundred two million, one hundred eleven thousand, one hundred twelve".