111100100011001 has 16 divisors (see below), whose sum is σ = 112015617981696. Its totient is φ = 110188251645696.

The previous prime is 111100100010997. The next prime is 111100100011031. The reversal of 111100100011001 is 100110001001111.

It is a cyclic number.

It is not a de Polignac number, because 111100100011001 - 2² = 111100100010997 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 111100100011001.

It is not an unprimeable number, because it can be changed into a prime (111100100011031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374750510 + ... + 375046856.

It is an arithmetic number, because the mean of its divisors is an integer number (7000976123856).

Almost surely, 2^{111100100011001} is an apocalyptic number.

It is an amenable number.

111100100011001 is a deficient number, since it is larger than the sum of its proper divisors (915517970695).

111100100011001 is a wasteful number, since it uses less digits than its factorization.

111100100011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302528.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111100100011001 its reverse (100110001001111), we get a palindrome (211210101012112).

The spelling of 111100100011001 in words is "one hundred eleven trillion, one hundred billion, one hundred million, eleven thousand, one".