122201222189 has 2 divisors, whose sum is σ = 122201222190. Its totient is φ = 122201222188.

The previous prime is 122201222183. The next prime is 122201222201. The reversal of 122201222189 is 981222102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68391141289 + 53810080900 = 261517^2 + 231970^2 .

It is a cyclic number.

It is not a de Polignac number, because 122201222189 - 2⁴ = 122201222173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122201222183) 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, 61100611094 + 61100611095.

It is an arithmetic number, because the mean of its divisors is an integer number (61100611095).

Almost surely, 2^122201222189 is an apocalyptic number.

It is an amenable number.

122201222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201222189 is an equidigital number, since it uses as much as digits as its factorization.

122201222189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 122201222189 in words is "one hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, one hundred eighty-nine".