11221113227 has 2 divisors, whose sum is σ = 11221113228. Its totient is φ = 11221113226.

The previous prime is 11221113199. The next prime is 11221113251. The reversal of 11221113227 is 72231112211.

It is a happy number.

11221113227 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 is an emirp because it is prime and its reverse (72231112211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221113227 - 2³² = 6926145931 is a prime.

It is not a weakly prime, because it can be changed into another prime (11221113257) 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, 5610556613 + 5610556614.

It is an arithmetic number, because the mean of its divisors is an integer number (5610556614).

Almost surely, 2^11221113227 is an apocalyptic number.

11221113227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221113227 is an equidigital number, since it uses as much as digits as its factorization.

11221113227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

Adding to 11221113227 its reverse (72231112211), we get a palindrome (83452225438).

The spelling of 11221113227 in words is "eleven billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-seven".