102122111112 has 32 divisors (see below), whose sum is σ = 291777460800. Its totient is φ = 29177745984.

The previous prime is 102122111089. The next prime is 102122111141. The reversal of 102122111112 is 211111221201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102122111091 and 102122111100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303934687 + ... + 303935022.

It is an arithmetic number, because the mean of its divisors is an integer number (9118045650).

Almost surely, 2^102122111112 is an apocalyptic number.

102122111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102122111112 is an abundant number, since it is smaller than the sum of its proper divisors (189655349688).

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

102122111112 is a wasteful number, since it uses less digits than its factorization.

102122111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607869725 (or 607869721 counting only the distinct ones).

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

Adding to 102122111112 its reverse (211111221201), we get a palindrome (313233332313).

The spelling of 102122111112 in words is "one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twelve".