13320121010001 has 64 divisors (see below), whose sum is σ = 20167897300992. Its totient is φ = 7758281025792.

The previous prime is 13320121009967. The next prime is 13320121010057. The reversal of 13320121010001 is 10001012102331.

It is a happy number.

It is not a de Polignac number, because 13320121010001 - 2¹⁴ = 13320120993617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320121010201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82749471 + ... + 82910283.

It is an arithmetic number, because the mean of its divisors is an integer number (315123395328).

Almost surely, 2^{13320121010001} is an apocalyptic number.

It is an amenable number.

13320121010001 is a deficient number, since it is larger than the sum of its proper divisors (6847776290991).

13320121010001 is a wasteful number, since it uses less digits than its factorization.

13320121010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161822.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13320121010001 its reverse (10001012102331), we get a palindrome (23321133112332).

The spelling of 13320121010001 in words is "thirteen trillion, three hundred twenty billion, one hundred twenty-one million, ten thousand, one".