1121224711 has 2 divisors, whose sum is σ = 1121224712. Its totient is φ = 1121224710.

The previous prime is 1121224703. The next prime is 1121224717. The reversal of 1121224711 is 1174221211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121224711 - 2³ = 1121224703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121224717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560612355 + 560612356.

It is an arithmetic number, because the mean of its divisors is an integer number (560612356).

Almost surely, 2^1121224711 is an apocalyptic number.

1121224711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121224711 is an equidigital number, since it uses as much as digits as its factorization.

1121224711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 22.

The square root of 1121224711 is about 33484.6936823379. The cubic root of 1121224711 is about 1038.8772125191.

Adding to 1121224711 its reverse (1174221211), we get a palindrome (2295445922).

The spelling of 1121224711 in words is "one billion, one hundred twenty-one million, two hundred twenty-four thousand, seven hundred eleven".