112445404121 has 2 divisors, whose sum is σ = 112445404122. Its totient is φ = 112445404120.

The previous prime is 112445404117. The next prime is 112445404139. The reversal of 112445404121 is 121404544211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71963964121 + 40481440000 = 268261^2 + 201200^2 .

It is a cyclic number.

It is not a de Polignac number, because 112445404121 - 2² = 112445404117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (112445404111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56222702060 + 56222702061.

It is an arithmetic number, because the mean of its divisors is an integer number (56222702061).

Almost surely, 2^112445404121 is an apocalyptic number.

It is an amenable number.

112445404121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112445404121 is an equidigital number, since it uses as much as digits as its factorization.

112445404121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 112445404121 its reverse (121404544211), we get a palindrome (233849948332).

The spelling of 112445404121 in words is "one hundred twelve billion, four hundred forty-five million, four hundred four thousand, one hundred twenty-one".