13321444334111 has 2 divisors, whose sum is σ = 13321444334112. Its totient is φ = 13321444334110.

The previous prime is 13321444334063. The next prime is 13321444334123. The reversal of 13321444334111 is 11143344412331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13321444334111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321444334171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660722167055 + 6660722167056.

It is an arithmetic number, because the mean of its divisors is an integer number (6660722167056).

Almost surely, 2^{13321444334111} is an apocalyptic number.

13321444334111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321444334111 is an equidigital number, since it uses as much as digits as its factorization.

13321444334111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

Adding to 13321444334111 its reverse (11143344412331), we get a palindrome (24464788746442).

The spelling of 13321444334111 in words is "thirteen trillion, three hundred twenty-one billion, four hundred forty-four million, three hundred thirty-four thousand, one hundred eleven".