13021320333121 has 8 divisors (see below), whose sum is σ = 13465494653184. Its totient is φ = 12578654246160.

The previous prime is 13021320333079. The next prime is 13021320333143. The reversal of 13021320333121 is 12133302312031.

13021320333121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13021320333121 - 2²¹ = 13021318235969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13021320331121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377040715 + ... + 377075248.

It is an arithmetic number, because the mean of its divisors is an integer number (1683186831648).

Almost surely, 2^{13021320333121} is an apocalyptic number.

It is an amenable number.

13021320333121 is a deficient number, since it is larger than the sum of its proper divisors (444174320063).

13021320333121 is an equidigital number, since it uses as much as digits as its factorization.

13021320333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754116551.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13021320333121 its reverse (12133302312031), we get a palindrome (25154622645152).

The spelling of 13021320333121 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, three hundred thirty-three thousand, one hundred twenty-one".