321003044424121 has 2 divisors, whose sum is σ = 321003044424122. Its totient is φ = 321003044424120.

The previous prime is 321003044424103. The next prime is 321003044424157. The reversal of 321003044424121 is 121424440300123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272540840633721 + 48462203790400 = 16508811^2 + 6961480^2 .

It is a cyclic number.

It is not a de Polignac number, because 321003044424121 - 2¹⁹ = 321003043899833 is a prime.

It is not a weakly prime, because it can be changed into another prime (321003144424121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160501522212060 + 160501522212061.

It is an arithmetic number, because the mean of its divisors is an integer number (160501522212061).

Almost surely, 2^{321003044424121} is an apocalyptic number.

It is an amenable number.

321003044424121 is a deficient number, since it is larger than the sum of its proper divisors (1).

321003044424121 is an equidigital number, since it uses as much as digits as its factorization.

321003044424121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 321003044424121 its reverse (121424440300123), we get a palindrome (442427484724244).

The spelling of 321003044424121 in words is "three hundred twenty-one trillion, three billion, forty-four million, four hundred twenty-four thousand, one hundred twenty-one".