2321030203221 has 64 divisors (see below), whose sum is σ = 3301980998400. Its totient is φ = 1447427874816.

The previous prime is 2321030203207. The next prime is 2321030203229. The reversal of 2321030203221 is 1223020301232.

It is a happy number.

It is not a de Polignac number, because 2321030203221 - 2¹⁵ = 2321030170453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321030203229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 907714875 + ... + 907717431.

It is an arithmetic number, because the mean of its divisors is an integer number (51593453100).

Almost surely, 2^{2321030203221} is an apocalyptic number.

It is an amenable number.

2321030203221 is a deficient number, since it is larger than the sum of its proper divisors (980950795179).

2321030203221 is a wasteful number, since it uses less digits than its factorization.

2321030203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2321030203221 its reverse (1223020301232), we get a palindrome (3544050504453).

The spelling of 2321030203221 in words is "two trillion, three hundred twenty-one billion, thirty million, two hundred three thousand, two hundred twenty-one".