321040220011123 has 2 divisors, whose sum is σ = 321040220011124. Its totient is φ = 321040220011122.

The previous prime is 321040220011099. The next prime is 321040220011201. The reversal of 321040220011123 is 321110022040123.

It is a weak prime.

It is an emirp because it is prime and its reverse (321110022040123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321040220011123 is a prime.

It is a super-2 number, since 2×321040220011123² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321040220011094 and 321040220011103.

It is not a weakly prime, because it can be changed into another prime (321040220012123) 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, 160520110005561 + 160520110005562.

It is an arithmetic number, because the mean of its divisors is an integer number (160520110005562).

Almost surely, 2^{321040220011123} is an apocalyptic number.

321040220011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321040220011123 is an equidigital number, since it uses as much as digits as its factorization.

321040220011123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 321040220011123 its reverse (321110022040123), we get a palindrome (642150242051246).

The spelling of 321040220011123 in words is "three hundred twenty-one trillion, forty billion, two hundred twenty million, eleven thousand, one hundred twenty-three".