101091110111 has 32 divisors (see below), whose sum is σ = 107321131008. Its totient is φ = 95033917440.

The previous prime is 101091110089. The next prime is 101091110119. The reversal of 101091110111 is 111011190101.

It is a cyclic number.

It is not a de Polignac number, because 101091110111 - 2²² = 101086915807 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 101091110111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101091110119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233466551 + ... + 233466983.

It is an arithmetic number, because the mean of its divisors is an integer number (3353785344).

Almost surely, 2^101091110111 is an apocalyptic number.

101091110111 is a deficient number, since it is larger than the sum of its proper divisors (6230020897).

101091110111 is a wasteful number, since it uses less digits than its factorization.

101091110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 101091110111 in words is "one hundred one billion, ninety-one million, one hundred ten thousand, one hundred eleven".