2320333002221 has 4 divisors (see below), whose sum is σ = 2498820156252. Its totient is φ = 2141845848192.

The previous prime is 2320333002209. The next prime is 2320333002241. The reversal of 2320333002221 is 1222003330232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 921993642025 + 1398339360196 = 960205^2 + 1182514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2320333002221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320333002241) 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, 89243576996 + ... + 89243577021.

It is an arithmetic number, because the mean of its divisors is an integer number (624705039063).

Almost surely, 2^{2320333002221} is an apocalyptic number.

It is an amenable number.

2320333002221 is a deficient number, since it is larger than the sum of its proper divisors (178487154031).

2320333002221 is a wasteful number, since it uses less digits than its factorization.

2320333002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178487154030.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 2320333002221 its reverse (1222003330232), we get a palindrome (3542336332453).

The spelling of 2320333002221 in words is "two trillion, three hundred twenty billion, three hundred thirty-three million, two thousand, two hundred twenty-one".