112221200120209 has 2 divisors, whose sum is σ = 112221200120210. Its totient is φ = 112221200120208.

The previous prime is 112221200120203. The next prime is 112221200120231. The reversal of 112221200120209 is 902021002122211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106497694131984 + 5723505988225 = 10319772^2 + 2392385^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221200120209 - 2⁹ = 112221200119697 is a prime.

It is not a weakly prime, because it can be changed into another prime (112221200120203) 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, 56110600060104 + 56110600060105.

It is an arithmetic number, because the mean of its divisors is an integer number (56110600060105).

Almost surely, 2^{112221200120209} is an apocalyptic number.

It is an amenable number.

112221200120209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221200120209 is an equidigital number, since it uses as much as digits as its factorization.

112221200120209 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 112221200120209 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, two hundred nine".