2320002312221 has 16 divisors (see below), whose sum is σ = 2565401122368. Its totient is φ = 2080431052800.

The previous prime is 2320002312191. The next prime is 2320002312253. The reversal of 2320002312221 is 1222132000232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2320002312221 - 2¹⁰ = 2320002311197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320002312193 and 2320002312202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320002372221) 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, 1396886 + ... + 2567351.

It is an arithmetic number, because the mean of its divisors is an integer number (160337570148).

Almost surely, 2^{2320002312221} is an apocalyptic number.

It is an amenable number.

2320002312221 is a deficient number, since it is larger than the sum of its proper divisors (245398810147).

2320002312221 is a wasteful number, since it uses less digits than its factorization.

2320002312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964972.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2320002312221 its reverse (1222132000232), we get a palindrome (3542134312453).

The spelling of 2320002312221 in words is "two trillion, three hundred twenty billion, two million, three hundred twelve thousand, two hundred twenty-one".