202100222309 has 2 divisors, whose sum is σ = 202100222310. Its totient is φ = 202100222308.

The previous prime is 202100222299. The next prime is 202100222329. The reversal of 202100222309 is 903222001202.

202100222309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197731408900 + 4368813409 = 444670^2 + 66097^2 .

It is a cyclic number.

It is not a de Polignac number, because 202100222309 - 2⁴ = 202100222293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202100222329) 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, 101050111154 + 101050111155.

It is an arithmetic number, because the mean of its divisors is an integer number (101050111155).

Almost surely, 2^202100222309 is an apocalyptic number.

It is an amenable number.

202100222309 is a deficient number, since it is larger than the sum of its proper divisors (1).

202100222309 is an equidigital number, since it uses as much as digits as its factorization.

202100222309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 202100222309 in words is "two hundred two billion, one hundred million, two hundred twenty-two thousand, three hundred nine".