13320121311 has 12 divisors (see below), whose sum is σ = 21988771792. Its totient is φ = 7611497856.

The previous prime is 13320121271. The next prime is 13320121319. The reversal of 13320121311 is 11312102331.

13320121311 is a `hidden beast` number, since 1 + 332 + 0 + 1 + 21 + 311 = 666.

It is not a de Polignac number, because 13320121311 - 2⁷ = 13320121183 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 (13320121319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105715186 + ... + 105715311.

Almost surely, 2^13320121311 is an apocalyptic number.

13320121311 is a deficient number, since it is larger than the sum of its proper divisors (8668650481).

13320121311 is a wasteful number, since it uses less digits than its factorization.

13320121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211430510 (or 211430507 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13320121311 its reverse (11312102331), we get a palindrome (24632223642).

The spelling of 13320121311 in words is "thirteen billion, three hundred twenty million, one hundred twenty-one thousand, three hundred eleven".