13320411044021 has 2 divisors, whose sum is σ = 13320411044022. Its totient is φ = 13320411044020.

The previous prime is 13320411043999. The next prime is 13320411044023. The reversal of 13320411044021 is 12044011402331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12194448123025 + 1125962920996 = 3492055^2 + 1061114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13320411044021 is a prime.

It is a super-3 number, since 3×13320411044021³ (a number of 40 digits) contains 333 as substring.

Together with 13320411044023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13320411044023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660205522010 + 6660205522011.

It is an arithmetic number, because the mean of its divisors is an integer number (6660205522011).

Almost surely, 2^{13320411044021} is an apocalyptic number.

It is an amenable number.

13320411044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320411044021 is an equidigital number, since it uses as much as digits as its factorization.

13320411044021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13320411044021 its reverse (12044011402331), we get a palindrome (25364422446352).

The spelling of 13320411044021 in words is "thirteen trillion, three hundred twenty billion, four hundred eleven million, forty-four thousand, twenty-one".