112112210220209 has 2 divisors, whose sum is σ = 112112210220210. Its totient is φ = 112112210220208.

The previous prime is 112112210220203. The next prime is 112112210220251. The reversal of 112112210220209 is 902022012211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58426226127025 + 53685984093184 = 7643705^2 + 7327072^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112210220209 - 2⁴ = 112112210220193 is a prime.

It is not a weakly prime, because it can be changed into another prime (112112210220203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056105110104 + 56056105110105.

It is an arithmetic number, because the mean of its divisors is an integer number (56056105110105).

Almost surely, 2^{112112210220209} is an apocalyptic number.

It is an amenable number.

112112210220209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112210220209 is an equidigital number, since it uses as much as digits as its factorization.

112112210220209 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 26.

The spelling of 112112210220209 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred ten million, two hundred twenty thousand, two hundred nine".