2232120323221 has 4 divisors (see below), whose sum is σ = 2233802404672. Its totient is φ = 2230438241772.

The previous prime is 2232120323189. The next prime is 2232120323231. The reversal of 2232120323221 is 1223230212322.

2232120323221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2232120323221 - 2⁵ = 2232120323189 is a prime.

It is a super-3 number, since 3×2232120323221³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232120323231) 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, 841038735 + ... + 841041388.

It is an arithmetic number, because the mean of its divisors is an integer number (558450601168).

Almost surely, 2^{2232120323221} is an apocalyptic number.

It is an amenable number.

2232120323221 is a deficient number, since it is larger than the sum of its proper divisors (1682081451).

2232120323221 is a wasteful number, since it uses less digits than its factorization.

2232120323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682081450.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2232120323221 its reverse (1223230212322), we get a palindrome (3455350535543).

The spelling of 2232120323221 in words is "two trillion, two hundred thirty-two billion, one hundred twenty million, three hundred twenty-three thousand, two hundred twenty-one".