10103111112 has 64 divisors (see below), whose sum is σ = 25525094400. Its totient is φ = 3332206080.

The previous prime is 10103111099. The next prime is 10103111201. The reversal of 10103111112 is 21111130101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181412 + ... + 1189932.

It is an arithmetic number, because the mean of its divisors is an integer number (398829600).

Almost surely, 2^10103111112 is an apocalyptic number.

10103111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10103111112 is an abundant number, since it is smaller than the sum of its proper divisors (15421983288).

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

10103111112 is a wasteful number, since it uses less digits than its factorization.

10103111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046 (or 9042 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 10103111112 its reverse (21111130101), we get a palindrome (31214241213).

The spelling of 10103111112 in words is "ten billion, one hundred three million, one hundred eleven thousand, one hundred twelve".