113211031111 has 16 divisors (see below), whose sum is σ = 119867932800. Its totient is φ = 106738920288.

The previous prime is 113211031093. The next prime is 113211031147. The reversal of 113211031111 is 111130112311.

It is a cyclic number.

It is not a de Polignac number, because 113211031111 - 2²³ = 113202642503 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 (113211031211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6659220 + ... + 6676198.

It is an arithmetic number, because the mean of its divisors is an integer number (7491745800).

Almost surely, 2^113211031111 is an apocalyptic number.

113211031111 is a deficient number, since it is larger than the sum of its proper divisors (6656901689).

113211031111 is a wasteful number, since it uses less digits than its factorization.

113211031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22398.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 113211031111 its reverse (111130112311), we get a palindrome (224341143422).

The spelling of 113211031111 in words is "one hundred thirteen billion, two hundred eleven million, thirty-one thousand, one hundred eleven".