101100111100111 has 4 divisors (see below), whose sum is σ = 102101102299224. Its totient is φ = 100099119901000.

The previous prime is 101100111100063. The next prime is 101100111100117. The reversal of 101100111100111 is 111001111001101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101100111100111 - 2³³ = 101091521165519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100111100117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500495599405 + ... + 500495599606.

It is an arithmetic number, because the mean of its divisors is an integer number (25525275574806).

Almost surely, 2^{101100111100111} is an apocalyptic number.

101100111100111 is a deficient number, since it is larger than the sum of its proper divisors (1000991199113).

101100111100111 is a wasteful number, since it uses less digits than its factorization.

101100111100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000991199112.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 101100111100111 its reverse (111001111001101), we get a palindrome (212101222101212).

The spelling of 101100111100111 in words is "one hundred one trillion, one hundred billion, one hundred eleven million, one hundred thousand, one hundred eleven".