13021334130321 has 24 divisors (see below), whose sum is σ = 20542520509056. Its totient is φ = 7882465883040.

The previous prime is 13021334130317. The next prime is 13021334130341. The reversal of 13021334130321 is 12303143312031.

13021334130321 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 1 + 334 + 1 + 3 + 0 + 321 = 666.

It is not a de Polignac number, because 13021334130321 - 2² = 13021334130317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13021334130341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77013225 + ... + 77182118.

It is an arithmetic number, because the mean of its divisors is an integer number (855938354544).

Almost surely, 2^{13021334130321} is an apocalyptic number.

13021334130321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13021334130321 is a deficient number, since it is larger than the sum of its proper divisors (7521186378735).

13021334130321 is a wasteful number, since it uses less digits than its factorization.

13021334130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154196213 (or 154196210 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13021334130321 its reverse (12303143312031), we get a palindrome (25324477442352).

The spelling of 13021334130321 in words is "thirteen trillion, twenty-one billion, three hundred thirty-four million, one hundred thirty thousand, three hundred twenty-one".