102112020112 has 20 divisors (see below), whose sum is σ = 208254778480. Its totient is φ = 48368851488.

The previous prime is 102112020107. The next prime is 102112020113. The reversal of 102112020112 is 211020211201.

It is a junction number, because it is equal to n+sod(n) for n = 102112020092 and 102112020101.

It is not an unprimeable number, because it can be changed into a prime (102112020113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167947098 + ... + 167947705.

It is an arithmetic number, because the mean of its divisors is an integer number (10412738924).

Almost surely, 2^102112020112 is an apocalyptic number.

It is an amenable number.

102112020112 is an abundant number, since it is smaller than the sum of its proper divisors (106142758368).

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

102112020112 is a wasteful number, since it uses less digits than its factorization.

102112020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335894830 (or 335894824 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102112020112 its reverse (211020211201), we get a palindrome (313132231313).

The spelling of 102112020112 in words is "one hundred two billion, one hundred twelve million, twenty thousand, one hundred twelve".