232203120221 has 2 divisors, whose sum is σ = 232203120222. Its totient is φ = 232203120220.

The previous prime is 232203120203. The next prime is 232203120229. The reversal of 232203120221 is 122021302232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127913522500 + 104289597721 = 357650^2 + 322939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232203120221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232203120193 and 232203120202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232203120229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116101560110 + 116101560111.

It is an arithmetic number, because the mean of its divisors is an integer number (116101560111).

Almost surely, 2^232203120221 is an apocalyptic number.

It is an amenable number.

232203120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232203120221 is an equidigital number, since it uses as much as digits as its factorization.

232203120221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 232203120221 its reverse (122021302232), we get a palindrome (354224422453).

The spelling of 232203120221 in words is "two hundred thirty-two billion, two hundred three million, one hundred twenty thousand, two hundred twenty-one".