232111021321 has 2 divisors, whose sum is σ = 232111021322. Its totient is φ = 232111021320.

The previous prime is 232111021301. The next prime is 232111021369. The reversal of 232111021321 is 123120111232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144856360000 + 87254661321 = 380600^2 + 295389^2 .

It is a cyclic number.

It is not a de Polignac number, because 232111021321 - 2³¹ = 229963537673 is a prime.

It is not a weakly prime, because it can be changed into another prime (232111021301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116055510660 + 116055510661.

It is an arithmetic number, because the mean of its divisors is an integer number (116055510661).

Almost surely, 2^232111021321 is an apocalyptic number.

It is an amenable number.

232111021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

232111021321 is an equidigital number, since it uses as much as digits as its factorization.

232111021321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 232111021321 its reverse (123120111232), we get a palindrome (355231132553).

The spelling of 232111021321 in words is "two hundred thirty-two billion, one hundred eleven million, twenty-one thousand, three hundred twenty-one".