13102212044321 has 4 divisors (see below), whose sum is σ = 13130633329044. Its totient is φ = 13073790759600.

The previous prime is 13102212044293. The next prime is 13102212044323. The reversal of 13102212044321 is 12344021220131.

It is a happy number.

13102212044321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3146224537600 + 9955987506721 = 1773760^2 + 3155311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13102212044321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13102212044323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14210641670 + ... + 14210642591.

It is an arithmetic number, because the mean of its divisors is an integer number (3282658332261).

Almost surely, 2^{13102212044321} is an apocalyptic number.

It is an amenable number.

13102212044321 is a deficient number, since it is larger than the sum of its proper divisors (28421284723).

13102212044321 is an equidigital number, since it uses as much as digits as its factorization.

13102212044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28421284722.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13102212044321 its reverse (12344021220131), we get a palindrome (25446233264452).

The spelling of 13102212044321 in words is "thirteen trillion, one hundred two billion, two hundred twelve million, forty-four thousand, three hundred twenty-one".