222001122000209 has 2 divisors, whose sum is σ = 222001122000210. Its totient is φ = 222001122000208.

The previous prime is 222001122000179. The next prime is 222001122000277. The reversal of 222001122000209 is 902000221100222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184247286307984 + 37753835692225 = 13573772^2 + 6144415^2 .

It is a cyclic number.

It is not a de Polignac number, because 222001122000209 - 2²⁸ = 222000853564753 is a prime.

It is not a weakly prime, because it can be changed into another prime (222001122800209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000561000104 + 111000561000105.

It is an arithmetic number, because the mean of its divisors is an integer number (111000561000105).

Almost surely, 2^{222001122000209} is an apocalyptic number.

It is an amenable number.

222001122000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001122000209 is an equidigital number, since it uses as much as digits as its factorization.

222001122000209 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 23.

The spelling of 222001122000209 in words is "two hundred twenty-two trillion, one billion, one hundred twenty-two million, two hundred nine", and thus it is an aban number.