2122202012209 has 2 divisors, whose sum is σ = 2122202012210. Its totient is φ = 2122202012208.

The previous prime is 2122202012197. The next prime is 2122202012251. The reversal of 2122202012209 is 9022102022212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1950435696400 + 171766315809 = 1396580^2 + 414447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122202012209 - 2²⁷ = 2122067794481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122202012309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061101006104 + 1061101006105.

It is an arithmetic number, because the mean of its divisors is an integer number (1061101006105).

Almost surely, 2^{2122202012209} is an apocalyptic number.

It is an amenable number.

2122202012209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122202012209 is an equidigital number, since it uses as much as digits as its factorization.

2122202012209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2122202012209 in words is "two trillion, one hundred twenty-two billion, two hundred two million, twelve thousand, two hundred nine".