13301444424221 has 2 divisors, whose sum is σ = 13301444424222. Its totient is φ = 13301444424220.

The previous prime is 13301444424217. The next prime is 13301444424239. The reversal of 13301444424221 is 12242444410331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13256436801721 + 45007622500 = 3640939^2 + 212150^2 .

It is a cyclic number.

It is not a de Polignac number, because 13301444424221 - 2² = 13301444424217 is a prime.

It is a super-2 number, since 2×13301444424221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13301444424211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6650722212110 + 6650722212111.

It is an arithmetic number, because the mean of its divisors is an integer number (6650722212111).

Almost surely, 2^{13301444424221} is an apocalyptic number.

It is an amenable number.

13301444424221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13301444424221 is an equidigital number, since it uses as much as digits as its factorization.

13301444424221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 13301444424221 its reverse (12242444410331), we get a palindrome (25543888834552).

The spelling of 13301444424221 in words is "thirteen trillion, three hundred one billion, four hundred forty-four million, four hundred twenty-four thousand, two hundred twenty-one".