11221001012227 has 2 divisors, whose sum is σ = 11221001012228. Its totient is φ = 11221001012226.

The previous prime is 11221001012203. The next prime is 11221001012327. The reversal of 11221001012227 is 72221010012211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221001012227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221001012198 and 11221001012207.

It is not a weakly prime, because it can be changed into another prime (11221001012327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610500506113 + 5610500506114.

It is an arithmetic number, because the mean of its divisors is an integer number (5610500506114).

Almost surely, 2^{11221001012227} is an apocalyptic number.

11221001012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221001012227 is an equidigital number, since it uses as much as digits as its factorization.

11221001012227 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 22.

Adding to 11221001012227 its reverse (72221010012211), we get a palindrome (83442011024438).

The spelling of 11221001012227 in words is "eleven trillion, two hundred twenty-one billion, one million, twelve thousand, two hundred twenty-seven".