202122011209 has 8 divisors (see below), whose sum is σ = 208542418560. Its totient is φ = 195798151536.

The previous prime is 202122011177. The next prime is 202122011239. The reversal of 202122011209 is 902110221202.

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

It is a cyclic number.

It is not a de Polignac number, because 202122011209 - 2⁵ = 202122011177 is a prime.

It is a super-2 number, since 2×202122011209² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202122011209.

It is not an unprimeable number, because it can be changed into a prime (202122011239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24132667 + ... + 24141040.

It is an arithmetic number, because the mean of its divisors is an integer number (26067802320).

Almost surely, 2^202122011209 is an apocalyptic number.

It is an amenable number.

202122011209 is a deficient number, since it is larger than the sum of its proper divisors (6420407351).

202122011209 is an equidigital number, since it uses as much as digits as its factorization.

202122011209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48273839.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 202122011209 in words is "two hundred two billion, one hundred twenty-two million, eleven thousand, two hundred nine".