111001231211013 has 64 divisors (see below), whose sum is σ = 193212820684800. Its totient is φ = 62093060844480.

The previous prime is 111001231210871. The next prime is 111001231211047. The reversal of 111001231211013 is 310112132100111.

It is not a de Polignac number, because 111001231211013 - 2¹⁸ = 111001230948869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001231211063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42273756 + ... + 44822682.

It is an arithmetic number, because the mean of its divisors is an integer number (3018950323200).

Almost surely, 2^{111001231211013} is an apocalyptic number.

111001231211013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111001231211013 is a deficient number, since it is larger than the sum of its proper divisors (82211589473787).

111001231211013 is a wasteful number, since it uses less digits than its factorization.

111001231211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560239 (or 2560233 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 111001231211013 its reverse (310112132100111), we get a palindrome (421113363311124).

The spelling of 111001231211013 in words is "one hundred eleven trillion, one billion, two hundred thirty-one million, two hundred eleven thousand, thirteen".