1111111001227 has 2 divisors, whose sum is σ = 1111111001228. Its totient is φ = 1111111001226.

The previous prime is 1111111001207. The next prime is 1111111001233. The reversal of 1111111001227 is 7221001111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111111001227 - 2¹⁵ = 1111110968459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111111001207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555500613 + 555555500614.

It is an arithmetic number, because the mean of its divisors is an integer number (555555500614).

Almost surely, 2^{1111111001227} is an apocalyptic number.

1111111001227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111111001227 is an equidigital number, since it uses as much as digits as its factorization.

1111111001227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 1111111001227 its reverse (7221001111111), we get a palindrome (8332112112338).

The spelling of 1111111001227 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one thousand, two hundred twenty-seven".