2321123330221 has 8 divisors (see below), whose sum is σ = 2328460685600. Its totient is φ = 2313787932720.

The previous prime is 2321123330213. The next prime is 2321123330243. The reversal of 2321123330221 is 1220333211232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2321123330221 - 2³ = 2321123330213 is a prime.

It is a super-2 number, since 2×2321123330221² (a number of 26 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 (2321123330821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903795 + ... + 2875183.

It is an arithmetic number, because the mean of its divisors is an integer number (291057585700).

Almost surely, 2^{2321123330221} is an apocalyptic number.

It is an amenable number.

2321123330221 is a deficient number, since it is larger than the sum of its proper divisors (7337355379).

2321123330221 is an equidigital number, since it uses as much as digits as its factorization.

2321123330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978939.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2321123330221 its reverse (1220333211232), we get a palindrome (3541456541453).

The spelling of 2321123330221 in words is "two trillion, three hundred twenty-one billion, one hundred twenty-three million, three hundred thirty thousand, two hundred twenty-one".