11170322321 has 2 divisors, whose sum is σ = 11170322322. Its totient is φ = 11170322320.

The previous prime is 11170322269. The next prime is 11170322363. The reversal of 11170322321 is 12322307111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11155584400 + 14737921 = 105620^2 + 3839^2 .

It is an emirp because it is prime and its reverse (12322307111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11170322321 - 2¹⁸ = 11170060177 is a prime.

It is a super-2 number, since 2×11170322321² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11170322381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5585161160 + 5585161161.

It is an arithmetic number, because the mean of its divisors is an integer number (5585161161).

Almost surely, 2^11170322321 is an apocalyptic number.

It is an amenable number.

11170322321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11170322321 is an equidigital number, since it uses as much as digits as its factorization.

11170322321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 11170322321 its reverse (12322307111), we get a palindrome (23492629432).

The spelling of 11170322321 in words is "eleven billion, one hundred seventy million, three hundred twenty-two thousand, three hundred twenty-one".