13302131010221 has 2 divisors, whose sum is σ = 13302131010222. Its totient is φ = 13302131010220.

The previous prime is 13302131010187. The next prime is 13302131010263. The reversal of 13302131010221 is 12201013120331.

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., 12004215384100 + 1297915626121 = 3464710^2 + 1139261^2 .

It is a cyclic number.

It is not a de Polignac number, because 13302131010221 - 2⁴² = 8904084499117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13302131010193 and 13302131010202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13302131010271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651065505110 + 6651065505111.

It is an arithmetic number, because the mean of its divisors is an integer number (6651065505111).

Almost surely, 2^{13302131010221} is an apocalyptic number.

It is an amenable number.

13302131010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13302131010221 is an equidigital number, since it uses as much as digits as its factorization.

13302131010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13302131010221 its reverse (12201013120331), we get a palindrome (25503144130552).

The spelling of 13302131010221 in words is "thirteen trillion, three hundred two billion, one hundred thirty-one million, ten thousand, two hundred twenty-one".