13300443302221 has 2 divisors, whose sum is σ = 13300443302222. Its totient is φ = 13300443302220.

The previous prime is 13300443302197. The next prime is 13300443302257. The reversal of 13300443302221 is 12220334400331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7438301655625 + 5862141646596 = 2727325^2 + 2421186^2 .

It is a cyclic number.

It is not a de Polignac number, because 13300443302221 - 2¹¹ = 13300443300173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13300443302221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13300443305221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6650221651110 + 6650221651111.

It is an arithmetic number, because the mean of its divisors is an integer number (6650221651111).

Almost surely, 2^{13300443302221} is an apocalyptic number.

It is an amenable number.

13300443302221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13300443302221 is an equidigital number, since it uses as much as digits as its factorization.

13300443302221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13300443302221 its reverse (12220334400331), we get a palindrome (25520777702552).

The spelling of 13300443302221 in words is "thirteen trillion, three hundred billion, four hundred forty-three million, three hundred two thousand, two hundred twenty-one".