111104001231 has 16 divisors (see below), whose sum is σ = 148798091520. Its totient is φ = 73739724480.

The previous prime is 111104001223. The next prime is 111104001299. The reversal of 111104001231 is 132100401111.

It is not a de Polignac number, because 111104001231 - 2³ = 111104001223 is a prime.

It is a super-2 number, since 2×111104001231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111104001231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111104001731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8352696 + ... + 8365986.

It is an arithmetic number, because the mean of its divisors is an integer number (9299880720).

Almost surely, 2^111104001231 is an apocalyptic number.

111104001231 is a deficient number, since it is larger than the sum of its proper divisors (37694090289).

111104001231 is a wasteful number, since it uses less digits than its factorization.

111104001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25486.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111104001231 its reverse (132100401111), we get a palindrome (243204402342).

The spelling of 111104001231 in words is "one hundred eleven billion, one hundred four million, one thousand, two hundred thirty-one".