232202221021 has 8 divisors (see below), whose sum is σ = 232876051704. Its totient is φ = 231529294080.

The previous prime is 232202220961. The next prime is 232202221033. The reversal of 232202221021 is 120122202232.

232202221021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56925188100 + 175277032921 = 238590^2 + 418661^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232202221021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232202221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232202221061) 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 7 ways as a sum of consecutive naturals, for example, 290385 + ... + 740761.

It is an arithmetic number, because the mean of its divisors is an integer number (29109506463).

Almost surely, 2^232202221021 is an apocalyptic number.

It is an amenable number.

232202221021 is a deficient number, since it is larger than the sum of its proper divisors (673830683).

232202221021 is an equidigital number, since it uses as much as digits as its factorization.

232202221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451871.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 232202221021 its reverse (120122202232), we get a palindrome (352324423253).

The spelling of 232202221021 in words is "two hundred thirty-two billion, two hundred two million, two hundred twenty-one thousand, twenty-one".