321232302121 has 2 divisors, whose sum is σ = 321232302122. Its totient is φ = 321232302120.

The previous prime is 321232302007. The next prime is 321232302133. The reversal of 321232302121 is 121203232123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317378996496 + 3853305625 = 563364^2 + 62075^2 .

It is a cyclic number.

It is not a de Polignac number, because 321232302121 - 2¹⁵ = 321232269353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321232302092 and 321232302101.

It is not a weakly prime, because it can be changed into another prime (321232302221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160616151060 + 160616151061.

It is an arithmetic number, because the mean of its divisors is an integer number (160616151061).

Almost surely, 2^321232302121 is an apocalyptic number.

It is an amenable number.

321232302121 is a deficient number, since it is larger than the sum of its proper divisors (1).

321232302121 is an equidigital number, since it uses as much as digits as its factorization.

321232302121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321232302121 its reverse (121203232123), we get a palindrome (442435534244).

The spelling of 321232302121 in words is "three hundred twenty-one billion, two hundred thirty-two million, three hundred two thousand, one hundred twenty-one".