11330111321 has 2 divisors, whose sum is σ = 11330111322. Its totient is φ = 11330111320.

The previous prime is 11330111267. The next prime is 11330111347. The reversal of 11330111321 is 12311103311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9510150400 + 1819960921 = 97520^2 + 42661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11330111321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11330111321.

It is not a weakly prime, because it can be changed into another prime (11330111371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665055660 + 5665055661.

It is an arithmetic number, because the mean of its divisors is an integer number (5665055661).

Almost surely, 2^11330111321 is an apocalyptic number.

It is an amenable number.

11330111321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330111321 is an equidigital number, since it uses as much as digits as its factorization.

11330111321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11330111321 its reverse (12311103311), we get a palindrome (23641214632).

The spelling of 11330111321 in words is "eleven billion, three hundred thirty million, one hundred eleven thousand, three hundred twenty-one".