232100132221 has 2 divisors, whose sum is σ = 232100132222. Its totient is φ = 232100132220.

The previous prime is 232100132183. The next prime is 232100132263. The reversal of 232100132221 is 122231001232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220003212025 + 12096920196 = 469045^2 + 109986^2 .

It is a cyclic number.

It is not a de Polignac number, because 232100132221 - 2¹⁹ = 232099607933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232100132821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116050066110 + 116050066111.

It is an arithmetic number, because the mean of its divisors is an integer number (116050066111).

Almost surely, 2^232100132221 is an apocalyptic number.

It is an amenable number.

232100132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232100132221 is an equidigital number, since it uses as much as digits as its factorization.

232100132221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 232100132221 its reverse (122231001232), we get a palindrome (354331133453).

The spelling of 232100132221 in words is "two hundred thirty-two billion, one hundred million, one hundred thirty-two thousand, two hundred twenty-one".