13201500510221 has 2 divisors, whose sum is σ = 13201500510222. Its totient is φ = 13201500510220.

The previous prime is 13201500510217. The next prime is 13201500510229. The reversal of 13201500510221 is 12201500510231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9622782447721 + 3578718062500 = 3102061^2 + 1891750^2 .

It is an emirp because it is prime and its reverse (12201500510231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13201500510221 - 2² = 13201500510217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201500510229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600750255110 + 6600750255111.

It is an arithmetic number, because the mean of its divisors is an integer number (6600750255111).

Almost surely, 2^{13201500510221} is an apocalyptic number.

It is an amenable number.

13201500510221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201500510221 is an equidigital number, since it uses as much as digits as its factorization.

13201500510221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 13201500510221 in words is "thirteen trillion, two hundred one billion, five hundred million, five hundred ten thousand, two hundred twenty-one".