1211120227 has 2 divisors, whose sum is σ = 1211120228. Its totient is φ = 1211120226.

The previous prime is 1211120221. The next prime is 1211120231. The reversal of 1211120227 is 7220211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211120227 - 2²³ = 1202731619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211120221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605560113 + 605560114.

It is an arithmetic number, because the mean of its divisors is an integer number (605560114).

Almost surely, 2^1211120227 is an apocalyptic number.

1211120227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211120227 is an equidigital number, since it uses as much as digits as its factorization.

1211120227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1211120227 is about 34801.1526676919. The cubic root of 1211120227 is about 1065.9309828279.

Adding to 1211120227 its reverse (7220211121), we get a palindrome (8431331348).

The spelling of 1211120227 in words is "one billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-seven".