102112101012112 has 40 divisors (see below), whose sum is σ = 209525284541376. Its totient is φ = 48107323372416.

The previous prime is 102112101012109. The next prime is 102112101012113. The reversal of 102112101012112 is 211210101211201.

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

It is not an unprimeable number, because it can be changed into a prime (102112101012113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070710683 + ... + 2070759994.

Almost surely, 2^{102112101012112} is an apocalyptic number.

It is an amenable number.

102112101012112 is an abundant number, since it is smaller than the sum of its proper divisors (107413183529264).

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

102112101012112 is a wasteful number, since it uses less digits than its factorization.

102112101012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141470775 (or 4141470769 counting only the distinct ones).

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

Adding to 102112101012112 its reverse (211210101211201), we get a palindrome (313322202223313).

The spelling of 102112101012112 in words is "one hundred two trillion, one hundred twelve billion, one hundred one million, twelve thousand, one hundred twelve".