200122202221009 has 2 divisors, whose sum is σ = 200122202221010. Its totient is φ = 200122202221008.

The previous prime is 200122202220949. The next prime is 200122202221079. The reversal of 200122202221009 is 900122202221002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196219021152400 + 3903181068609 = 14007820^2 + 1975647^2 .

It is a cyclic number.

It is not a de Polignac number, because 200122202221009 - 2⁴³ = 191326109198801 is a prime.

It is not a weakly prime, because it can be changed into another prime (200122202221079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061101110504 + 100061101110505.

It is an arithmetic number, because the mean of its divisors is an integer number (100061101110505).

Almost surely, 2^{200122202221009} is an apocalyptic number.

It is an amenable number.

200122202221009 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122202221009 is an equidigital number, since it uses as much as digits as its factorization.

200122202221009 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 200122202221009 in words is "two hundred trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, nine".