13220112911 has 2 divisors, whose sum is σ = 13220112912. Its totient is φ = 13220112910.

The previous prime is 13220112889. The next prime is 13220112959. The reversal of 13220112911 is 11921102231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13220112911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220112991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610056455 + 6610056456.

It is an arithmetic number, because the mean of its divisors is an integer number (6610056456).

Almost surely, 2^13220112911 is an apocalyptic number.

13220112911 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220112911 is an equidigital number, since it uses as much as digits as its factorization.

13220112911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 13220112911 in words is "thirteen billion, two hundred twenty million, one hundred twelve thousand, nine hundred eleven".