13330323112021 has 4 divisors (see below), whose sum is σ = 13330340357472. Its totient is φ = 13330305866572.

The previous prime is 13330323111991. The next prime is 13330323112069. The reversal of 13330323112021 is 12021132303331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13330323112021 - 2⁹ = 13330323111509 is a prime.

It is a super-2 number, since 2×13330323112021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330323116021) 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, 7406035 + ... + 9028288.

It is an arithmetic number, because the mean of its divisors is an integer number (3332585089368).

Almost surely, 2^{13330323112021} is an apocalyptic number.

It is an amenable number.

13330323112021 is a deficient number, since it is larger than the sum of its proper divisors (17245451).

13330323112021 is an equidigital number, since it uses as much as digits as its factorization.

13330323112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17245450.

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

Adding to 13330323112021 its reverse (12021132303331), we get a palindrome (25351455415352).

The spelling of 13330323112021 in words is "thirteen trillion, three hundred thirty billion, three hundred twenty-three million, one hundred twelve thousand, twenty-one".