321110999941 has 2 divisors, whose sum is σ = 321110999942. Its totient is φ = 321110999940.

The previous prime is 321110999873. The next prime is 321111000029. The reversal of 321110999941 is 149999011123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288964302916 + 32146697025 = 537554^2 + 179295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321110999941 is a prime.

It is a super-2 number, since 2×321110999941² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321110399941) 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, 160555499970 + 160555499971.

It is an arithmetic number, because the mean of its divisors is an integer number (160555499971).

Almost surely, 2^321110999941 is an apocalyptic number.

It is an amenable number.

321110999941 is a deficient number, since it is larger than the sum of its proper divisors (1).

321110999941 is an equidigital number, since it uses as much as digits as its factorization.

321110999941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 49.

The spelling of 321110999941 in words is "three hundred twenty-one billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred forty-one".