232120300221 has 6 divisors (see below), whose sum is σ = 335284878110. Its totient is φ = 154746866808.

The previous prime is 232120300193. The next prime is 232120300249. The reversal of 232120300221 is 122003021232.

232120300221 is a `hidden beast` number, since 2 + 321 + 20 + 300 + 2 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (232120300193) and next prime (232120300249).

It can be written as a sum of positive squares in only one way, i.e., 227992880196 + 4127420025 = 477486^2 + 64245^2 .

It is not a de Polignac number, because 232120300221 - 2²⁹ = 231583429309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232120300194 and 232120300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232120300121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12895572226 + ... + 12895572243.

Almost surely, 2^232120300221 is an apocalyptic number.

It is an amenable number.

232120300221 is a deficient number, since it is larger than the sum of its proper divisors (103164577889).

232120300221 is a wasteful number, since it uses less digits than its factorization.

232120300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25791144475 (or 25791144472 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 232120300221 its reverse (122003021232), we get a palindrome (354123321453).

The spelling of 232120300221 in words is "two hundred thirty-two billion, one hundred twenty million, three hundred thousand, two hundred twenty-one".