111104013 has 4 divisors (see below), whose sum is σ = 148138688. Its totient is φ = 74069340.

The previous prime is 111104009. The next prime is 111104057. The reversal of 111104013 is 310401111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310401111 = 3 ⋅103467037.

It is not a de Polignac number, because 111104013 - 2² = 111104009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111104013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111104003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18517333 + ... + 18517338.

It is an arithmetic number, because the mean of its divisors is an integer number (37034672).

Almost surely, 2^111104013 is an apocalyptic number.

It is an amenable number.

111104013 is a deficient number, since it is larger than the sum of its proper divisors (37034675).

111104013 is an equidigital number, since it uses as much as digits as its factorization.

111104013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37034674.

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

The square root of 111104013 is about 10540.5888355442. The cubic root of 111104013 is about 480.7396193034.

Adding to 111104013 its reverse (310401111), we get a palindrome (421505124).

The spelling of 111104013 in words is "one hundred eleven million, one hundred four thousand, thirteen".