103112100108 has 72 divisors (see below), whose sum is σ = 264103519680. Its totient is φ = 33917501280.

The previous prime is 103112100107. The next prime is 103112100127. The reversal of 103112100108 is 801001211301.

It is a happy number.

It is a super-5 number, since 5×103112100108⁵ (a number of 56 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103112100107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783091 + ... + 905237.

It is an arithmetic number, because the mean of its divisors is an integer number (3668104440).

Almost surely, 2^103112100108 is an apocalyptic number.

103112100108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

103112100108 is an abundant number, since it is smaller than the sum of its proper divisors (160991419572).

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

103112100108 is a wasteful number, since it uses less digits than its factorization.

103112100108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122467 (or 122462 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 103112100108 its reverse (801001211301), we get a palindrome (904113311409).

The spelling of 103112100108 in words is "one hundred three billion, one hundred twelve million, one hundred thousand, one hundred eight".