13321443220011 has 18 divisors (see below), whose sum is σ = 19343356481540. Its totient is φ = 8834464744920.

The previous prime is 13321443219983. The next prime is 13321443220061. The reversal of 13321443220011 is 11002234412331.

13321443220011 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 1 + 443 + 2 + 200 + 11 = 666.

It is not a de Polignac number, because 13321443220011 - 2⁵ = 13321443219979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321443220061) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19958401 + ... + 20615058.

Almost surely, 2^{13321443220011} is an apocalyptic number.

13321443220011 is a deficient number, since it is larger than the sum of its proper divisors (6021913261529).

13321443220011 is an equidigital number, since it uses as much as digits as its factorization.

13321443220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40573847 (or 40573653 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13321443220011 its reverse (11002234412331), we get a palindrome (24323677632342).

The spelling of 13321443220011 in words is "thirteen trillion, three hundred twenty-one billion, four hundred forty-three million, two hundred twenty thousand, eleven".