102222120112 has 20 divisors (see below), whose sum is σ = 226348980496. Its totient is φ = 43809480000.

The previous prime is 102222120109. The next prime is 102222120131. The reversal of 102222120112 is 211021222201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 3 ways as a sum of consecutive naturals, for example, 456348639 + ... + 456348862.

Almost surely, 2^102222120112 is an apocalyptic number.

It is an amenable number.

102222120112 is an abundant number, since it is smaller than the sum of its proper divisors (124126860384).

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

102222120112 is an equidigital number, since it uses as much as digits as its factorization.

102222120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912697516 (or 912697510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102222120112 its reverse (211021222201), we get a palindrome (313243342313).

The spelling of 102222120112 in words is "one hundred two billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twelve".