11220012227 has 2 divisors, whose sum is σ = 11220012228. Its totient is φ = 11220012226.

The previous prime is 11220012151. The next prime is 11220012277. The reversal of 11220012227 is 72221002211.

11220012227 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 a cyclic number.

It is not a de Polignac number, because 11220012227 - 2²⁴ = 11203235011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220012199 and 11220012208.

It is not a weakly prime, because it can be changed into another prime (11220012277) 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, 5610006113 + 5610006114.

It is an arithmetic number, because the mean of its divisors is an integer number (5610006114).

Almost surely, 2^11220012227 is an apocalyptic number.

11220012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220012227 is an equidigital number, since it uses as much as digits as its factorization.

11220012227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 11220012227 its reverse (72221002211), we get a palindrome (83441014438).

The spelling of 11220012227 in words is "eleven billion, two hundred twenty million, twelve thousand, two hundred twenty-seven".