100111111104 has 28 divisors (see below), whose sum is σ = 264877315304. Its totient is φ = 33370370304.

The previous prime is 100111111103. The next prime is 100111111109. The reversal of 100111111104 is 401111111001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100111111104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111111103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260705827 + ... + 260706210.

It is an arithmetic number, because the mean of its divisors is an integer number (9459904118).

Almost surely, 2^100111111104 is an apocalyptic number.

It is an amenable number.

100111111104 is an abundant number, since it is smaller than the sum of its proper divisors (164766204200).

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

100111111104 is an equidigital number, since it uses as much as digits as its factorization.

100111111104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521412052 (or 521412042 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 100111111104 its reverse (401111111001), we get a palindrome (501222222105).

The spelling of 100111111104 in words is "one hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred four".