13311120020111 has 4 divisors (see below), whose sum is σ = 13311134754912. Its totient is φ = 13311105285312.

The previous prime is 13311120020087. The next prime is 13311120020167. The reversal of 13311120020111 is 11102002111331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13311120020111 - 2¹⁸ = 13311119757967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13311120020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311120020311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5917175 + ... + 7850808.

It is an arithmetic number, because the mean of its divisors is an integer number (3327783688728).

Almost surely, 2^{13311120020111} is an apocalyptic number.

13311120020111 is a deficient number, since it is larger than the sum of its proper divisors (14734801).

13311120020111 is an equidigital number, since it uses as much as digits as its factorization.

13311120020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14734800.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 13311120020111 its reverse (11102002111331), we get a palindrome (24413122131442).

The spelling of 13311120020111 in words is "thirteen trillion, three hundred eleven billion, one hundred twenty million, twenty thousand, one hundred eleven".