13210241021 has 2 divisors, whose sum is σ = 13210241022. Its totient is φ = 13210241020.

The previous prime is 13210241003. The next prime is 13210241047. The reversal of 13210241021 is 12014201231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9683544025 + 3526696996 = 98405^2 + 59386^2 .

It is an emirp because it is prime and its reverse (12014201231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13210241021 - 2⁶ = 13210240957 is a prime.

It is a super-2 number, since 2×13210241021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13210241921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605120510 + 6605120511.

It is an arithmetic number, because the mean of its divisors is an integer number (6605120511).

Almost surely, 2^13210241021 is an apocalyptic number.

It is an amenable number.

13210241021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13210241021 is an equidigital number, since it uses as much as digits as its factorization.

13210241021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13210241021 its reverse (12014201231), we get a palindrome (25224442252).

The spelling of 13210241021 in words is "thirteen billion, two hundred ten million, two hundred forty-one thousand, twenty-one".