13320312021011 has 4 divisors (see below), whose sum is σ = 13320325048800. Its totient is φ = 13320298993224.

The previous prime is 13320312021007. The next prime is 13320312021047. The reversal of 13320312021011 is 11012021302331.

It is a happy number.

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 13320312021011 - 2² = 13320312021007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320312021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4836176 + ... + 7073133.

It is an arithmetic number, because the mean of its divisors is an integer number (3330081262200).

Almost surely, 2^{13320312021011} is an apocalyptic number.

13320312021011 is a deficient number, since it is larger than the sum of its proper divisors (13027789).

13320312021011 is a wasteful number, since it uses less digits than its factorization.

13320312021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027788.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13320312021011 its reverse (11012021302331), we get a palindrome (24332333323342).

The spelling of 13320312021011 in words is "thirteen trillion, three hundred twenty billion, three hundred twelve million, twenty-one thousand, eleven".