210220221020209 has 8 divisors (see below), whose sum is σ = 211593501927360. Its totient is φ = 208849149738576.

The previous prime is 210220221020197. The next prime is 210220221020279. The reversal of 210220221020209 is 902020122022012.

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 210220221020209 - 2²⁵ = 210220187465777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220221020279) 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, 552215482 + ... + 552596035.

It is an arithmetic number, because the mean of its divisors is an integer number (26449187740920).

Almost surely, 2^{210220221020209} is an apocalyptic number.

It is an amenable number.

210220221020209 is a deficient number, since it is larger than the sum of its proper divisors (1373280907151).

210220221020209 is a wasteful number, since it uses less digits than its factorization.

210220221020209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104812759.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 210220221020209 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, two hundred nine".