321321122141 has 2 divisors, whose sum is σ = 321321122142. Its totient is φ = 321321122140.

The previous prime is 321321122117. The next prime is 321321122189. The reversal of 321321122141 is 141221123123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262359084100 + 58962038041 = 512210^2 + 242821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321321122141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321321182141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160660561070 + 160660561071.

It is an arithmetic number, because the mean of its divisors is an integer number (160660561071).

Almost surely, 2^321321122141 is an apocalyptic number.

It is an amenable number.

321321122141 is a deficient number, since it is larger than the sum of its proper divisors (1).

321321122141 is an equidigital number, since it uses as much as digits as its factorization.

321321122141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 321321122141 its reverse (141221123123), we get a palindrome (462542245264).

The spelling of 321321122141 in words is "three hundred twenty-one billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred forty-one".