100100110011111 has 16 divisors (see below), whose sum is σ = 169481667744000. Its totient is φ = 57200062863384.

The previous prime is 100100110011107. The next prime is 100100110011113. The reversal of 100100110011111 is 111110011001001.

It is not a de Polignac number, because 100100110011111 - 2² = 100100110011107 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 100100110011093 and 100100110011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100110011113) 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, 264815105661 + ... + 264815106038.

It is an arithmetic number, because the mean of its divisors is an integer number (10592604234000).

Almost surely, 2^{100100110011111} is an apocalyptic number.

100100110011111 is a deficient number, since it is larger than the sum of its proper divisors (69381557732889).

100100110011111 is an equidigital number, since it uses as much as digits as its factorization.

100100110011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529630211715 (or 529630211709 counting only the distinct ones).

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

Adding to 100100110011111 its reverse (111110011001001), we get a palindrome (211210121012112).

The spelling of 100100110011111 in words is "one hundred trillion, one hundred billion, one hundred ten million, eleven thousand, one hundred eleven".