2002321102321 has 4 divisors (see below), whose sum is σ = 2002833602032. Its totient is φ = 2001808602612.

The previous prime is 2002321102319. The next prime is 2002321102361. The reversal of 2002321102321 is 1232011232002.

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 2002321102321 - 2¹ = 2002321102319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002321102361) 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, 256243995 + ... + 256251808.

It is an arithmetic number, because the mean of its divisors is an integer number (500708400508).

Almost surely, 2^{2002321102321} is an apocalyptic number.

It is an amenable number.

2002321102321 is a deficient number, since it is larger than the sum of its proper divisors (512499711).

2002321102321 is an equidigital number, since it uses as much as digits as its factorization.

2002321102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512499710.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2002321102321 its reverse (1232011232002), we get a palindrome (3234332334323).

The spelling of 2002321102321 in words is "two trillion, two billion, three hundred twenty-one million, one hundred two thousand, three hundred twenty-one".