111101232013 has 16 divisors (see below), whose sum is σ = 118293626880. Its totient is φ = 103982227200.

The previous prime is 111101231987. The next prime is 111101232017. The reversal of 111101232013 is 310232101111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-111101232013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101232017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15780148 + ... + 15787186.

It is an arithmetic number, because the mean of its divisors is an integer number (7393351680).

Almost surely, 2^111101232013 is an apocalyptic number.

It is an amenable number.

111101232013 is a deficient number, since it is larger than the sum of its proper divisors (7192394867).

111101232013 is a wasteful number, since it uses less digits than its factorization.

111101232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12108.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111101232013 its reverse (310232101111), we get a palindrome (421333333124).

The spelling of 111101232013 in words is "one hundred eleven billion, one hundred one million, two hundred thirty-two thousand, thirteen".