11222230321 has 2 divisors, whose sum is σ = 11222230322. Its totient is φ = 11222230320.

The previous prime is 11222230273. The next prime is 11222230333. The reversal of 11222230321 is 12303222211.

11222230321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6314527296 + 4907703025 = 79464^2 + 70055^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222230321 - 2¹¹ = 11222228273 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222200321) 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, 5611115160 + 5611115161.

It is an arithmetic number, because the mean of its divisors is an integer number (5611115161).

Almost surely, 2^11222230321 is an apocalyptic number.

It is an amenable number.

11222230321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222230321 is an equidigital number, since it uses as much as digits as its factorization.

11222230321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11222230321 its reverse (12303222211), we get a palindrome (23525452532).

The spelling of 11222230321 in words is "eleven billion, two hundred twenty-two million, two hundred thirty thousand, three hundred twenty-one".