202221211209 has 8 divisors (see below), whose sum is σ = 270983198400. Its totient is φ = 134136682416.

The previous prime is 202221211207. The next prime is 202221211229. The reversal of 202221211209 is 902112122202.

202221211209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202221211209 - 2¹ = 202221211207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202221211201) 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 in 7 ways as a sum of consecutive naturals, for example, 169363902 + ... + 169365095.

It is an arithmetic number, because the mean of its divisors is an integer number (33872899800).

Almost surely, 2^202221211209 is an apocalyptic number.

It is an amenable number.

202221211209 is a deficient number, since it is larger than the sum of its proper divisors (68761987191).

202221211209 is a wasteful number, since it uses less digits than its factorization.

202221211209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338729199.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 202221211209 in words is "two hundred two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred nine".