13300303122221 has 2 divisors, whose sum is σ = 13300303122222. Its totient is φ = 13300303122220.

The previous prime is 13300303122209. The next prime is 13300303122251. The reversal of 13300303122221 is 12222130300331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6746933520196 + 6553369602025 = 2597486^2 + 2559955^2 .

It is a cyclic number.

It is not a de Polignac number, because 13300303122221 - 2⁴² = 8902256611117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13300303122251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6650151561110 + 6650151561111.

It is an arithmetic number, because the mean of its divisors is an integer number (6650151561111).

Almost surely, 2^{13300303122221} is an apocalyptic number.

It is an amenable number.

13300303122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13300303122221 is an equidigital number, since it uses as much as digits as its factorization.

13300303122221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13300303122221 its reverse (12222130300331), we get a palindrome (25522433422552).

The spelling of 13300303122221 in words is "thirteen trillion, three hundred billion, three hundred three million, one hundred twenty-two thousand, two hundred twenty-one".