102112222112 has 24 divisors (see below), whose sum is σ = 201127997700. Its totient is φ = 51032095744.

The previous prime is 102112222109. The next prime is 102112222133. The reversal of 102112222112 is 211222211201.

It can be written as a sum of positive squares in 2 ways, for example, as 82734468496 + 19377753616 = 287636^2 + 139204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681287 + ... + 817542.

Almost surely, 2^102112222112 is an apocalyptic number.

It is an amenable number.

102112222112 is a deficient number, since it is larger than the sum of its proper divisors (99015775588).

102112222112 is a wasteful number, since it uses less digits than its factorization.

102112222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500968 (or 1500960 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102112222112 its reverse (211222211201), we get a palindrome (313334433313).

The spelling of 102112222112 in words is "one hundred two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twelve".