13331121020013 has 16 divisors (see below), whose sum is σ = 17940496135680. Its totient is φ = 8804653369344.

The previous prime is 13331121019991. The next prime is 13331121020057. The reversal of 13331121020013 is 31002012113331.

It is a happy number.

It is not a de Polignac number, because 13331121020013 - 2¹² = 13331121015917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331121020213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8448708 + ... + 9901661.

It is an arithmetic number, because the mean of its divisors is an integer number (1121281008480).

Almost surely, 2^{13331121020013} is an apocalyptic number.

It is an amenable number.

13331121020013 is a deficient number, since it is larger than the sum of its proper divisors (4609375115667).

13331121020013 is a wasteful number, since it uses less digits than its factorization.

13331121020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18352628.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13331121020013 its reverse (31002012113331), we get a palindrome (44333133133344).

The spelling of 13331121020013 in words is "thirteen trillion, three hundred thirty-one billion, one hundred twenty-one million, twenty thousand, thirteen".