13012231112111 has 16 divisors (see below), whose sum is σ = 16242658202880. Its totient is φ = 10127140356480.

The previous prime is 13012231112093. The next prime is 13012231112137. The reversal of 13012231112111 is 11121113221031.

It is a de Polignac number, because none of the positive numbers 2^k-13012231112111 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 (13012231112141) 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, 102106826 + ... + 102234183.

It is an arithmetic number, because the mean of its divisors is an integer number (1015166137680).

Almost surely, 2^{13012231112111} is an apocalyptic number.

13012231112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13012231112111 is a deficient number, since it is larger than the sum of its proper divisors (3230427090769).

13012231112111 is a wasteful number, since it uses less digits than its factorization.

13012231112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204341854.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 13012231112111 its reverse (11121113221031), we get a palindrome (24133344333142).

The spelling of 13012231112111 in words is "thirteen trillion, twelve billion, two hundred thirty-one million, one hundred twelve thousand, one hundred eleven".