20100112102 has 16 divisors (see below), whose sum is σ = 34460543520. Its totient is φ = 8613531648.

The previous prime is 20100112079. The next prime is 20100112127. The reversal of 20100112102 is 20121100102.

It is a congruent number.

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, 103924 + ... + 225832.

It is an arithmetic number, because the mean of its divisors is an integer number (2153783970).

Almost surely, 2^20100112102 is an apocalyptic number.

20100112102 is a deficient number, since it is larger than the sum of its proper divisors (14360431418).

20100112102 is a wasteful number, since it uses less digits than its factorization.

20100112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133695.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20100112102 its reverse (20121100102), we get a palindrome (40221212204).

The spelling of 20100112102 in words is "twenty billion, one hundred million, one hundred twelve thousand, one hundred two".