1011220221227 has 2 divisors, whose sum is σ = 1011220221228. Its totient is φ = 1011220221226.

The previous prime is 1011220221169. The next prime is 1011220221251. The reversal of 1011220221227 is 7221220221101.

It is a strong prime.

It is an emirp because it is prime and its reverse (7221220221101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011220221227 - 2⁶ = 1011220221163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011220221527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505610110613 + 505610110614.

It is an arithmetic number, because the mean of its divisors is an integer number (505610110614).

Almost surely, 2^{1011220221227} is an apocalyptic number.

1011220221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011220221227 is an equidigital number, since it uses as much as digits as its factorization.

1011220221227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1011220221227 its reverse (7221220221101), we get a palindrome (8232440442328).

The spelling of 1011220221227 in words is "one trillion, eleven billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty-seven".