112212341161 has 2 divisors, whose sum is σ = 112212341162. Its totient is φ = 112212341160.

The previous prime is 112212341141. The next prime is 112212341177. The reversal of 112212341161 is 161143212211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106712635561 + 5499705600 = 326669^2 + 74160^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212341161 - 2⁹ = 112212340649 is a prime.

It is not a weakly prime, because it can be changed into another prime (112212341141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106170580 + 56106170581.

It is an arithmetic number, because the mean of its divisors is an integer number (56106170581).

Almost surely, 2^112212341161 is an apocalyptic number.

It is an amenable number.

112212341161 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212341161 is an equidigital number, since it uses as much as digits as its factorization.

112212341161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

Adding to 112212341161 its reverse (161143212211), we get a palindrome (273355553372).

The spelling of 112212341161 in words is "one hundred twelve billion, two hundred twelve million, three hundred forty-one thousand, one hundred sixty-one".