111100010111111 has 16 divisors (see below), whose sum is σ = 127056080954880. Its totient is φ = 95165108569440.

The previous prime is 111100010111063. The next prime is 111100010111113. The reversal of 111100010111111 is 111111010001111.

It is not a de Polignac number, because 111100010111111 - 2¹⁰ = 111100010110087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111100010111092 and 111100010111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100010111113) 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, 149010116 + ... + 149753846.

It is an arithmetic number, because the mean of its divisors is an integer number (7941005059680).

Almost surely, 2^{111100010111111} is an apocalyptic number.

111100010111111 is a deficient number, since it is larger than the sum of its proper divisors (15956070843769).

111100010111111 is a wasteful number, since it uses less digits than its factorization.

111100010111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757934.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 111100010111111 its reverse (111111010001111), we get a palindrome (222211020112222).

The spelling of 111100010111111 in words is "one hundred eleven trillion, one hundred billion, ten million, one hundred eleven thousand, one hundred eleven".