13112120020111 has 16 divisors (see below), whose sum is σ = 15509699979840. Its totient is φ = 10846029358080.

The previous prime is 13112120020099. The next prime is 13112120020117. The reversal of 13112120020111 is 11102002121131.

It is a happy number.

It is not a de Polignac number, because 13112120020111 - 2⁹ = 13112120019599 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 (13112120020117) 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, 15602380 + ... + 16421281.

It is an arithmetic number, because the mean of its divisors is an integer number (969356248740).

Almost surely, 2^{13112120020111} is an apocalyptic number.

13112120020111 is a deficient number, since it is larger than the sum of its proper divisors (2397579959729).

13112120020111 is a wasteful number, since it uses less digits than its factorization.

13112120020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32025714.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 13112120020111 its reverse (11102002121131), we get a palindrome (24214122141242).

The spelling of 13112120020111 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty million, twenty thousand, one hundred eleven".