13321320011 has 4 divisors (see below), whose sum is σ = 13321617624. Its totient is φ = 13321022400.

The previous prime is 13321320007. The next prime is 13321320013. The reversal of 13321320011 is 11002312331.

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 13321320011 - 2² = 13321320007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321320013) 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, 66485 + ... + 176246.

It is an arithmetic number, because the mean of its divisors is an integer number (3330404406).

Almost surely, 2^13321320011 is an apocalyptic number.

13321320011 is a deficient number, since it is larger than the sum of its proper divisors (297613).

13321320011 is an equidigital number, since it uses as much as digits as its factorization.

13321320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297612.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13321320011 its reverse (11002312331), we get a palindrome (24323632342).

The spelling of 13321320011 in words is "thirteen billion, three hundred twenty-one million, three hundred twenty thousand, eleven".