13102044244021 has 2 divisors, whose sum is σ = 13102044244022. Its totient is φ = 13102044244020.

The previous prime is 13102044244013. The next prime is 13102044244049. The reversal of 13102044244021 is 12044244020131.

It is an a-pointer prime, because the next prime (13102044244049) can be obtained adding 13102044244021 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8224196541796 + 4877847702225 = 2867786^2 + 2208585^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102044244021 - 2³ = 13102044244013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13102041244021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551022122010 + 6551022122011.

It is an arithmetic number, because the mean of its divisors is an integer number (6551022122011).

Almost surely, 2^{13102044244021} is an apocalyptic number.

It is an amenable number.

13102044244021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13102044244021 is an equidigital number, since it uses as much as digits as its factorization.

13102044244021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 13102044244021 its reverse (12044244020131), we get a palindrome (25146288264152).

The spelling of 13102044244021 in words is "thirteen trillion, one hundred two billion, forty-four million, two hundred forty-four thousand, twenty-one".