1121111225071 has 2 divisors, whose sum is σ = 1121111225072. Its totient is φ = 1121111225070.

The previous prime is 1121111225041. The next prime is 1121111225081. The reversal of 1121111225071 is 1705221111211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121111225071 - 2⁷ = 1121111224943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121111225041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555612535 + 560555612536.

It is an arithmetic number, because the mean of its divisors is an integer number (560555612536).

Almost surely, 2^{1121111225071} is an apocalyptic number.

1121111225071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121111225071 is an equidigital number, since it uses as much as digits as its factorization.

1121111225071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 25.

Adding to 1121111225071 its reverse (1705221111211), we get a palindrome (2826332336282).

The spelling of 1121111225071 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty-five thousand, seventy-one".