111111000100011 has 12 divisors (see below), whose sum is σ = 164831333482192. Its totient is φ = 72072000064656.

The previous prime is 111111000099991. The next prime is 111111000100027. The reversal of 111111000100011 is 110001000111111.

It is not a de Polignac number, because 111111000100011 - 2⁶ = 111111000099947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111111000099966 and 111111000100002.

It is not an unprimeable number, because it can be changed into a prime (111111000100411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166833333151 + ... + 166833333816.

Almost surely, 2^{111111000100011} is an apocalyptic number.

111111000100011 is a deficient number, since it is larger than the sum of its proper divisors (53720333382181).

111111000100011 is a wasteful number, since it uses less digits than its factorization.

111111000100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333666667010 (or 333666667007 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111111000100011 its reverse (110001000111111), we get a palindrome (221112000211122).

It can be divided in two parts, 1111 and 11000100011, that multiplied together give a palindrome (12221111112221).

The spelling of 111111000100011 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred thousand, eleven".