210220211010209 has 4 divisors (see below), whose sum is σ = 210826032944304. Its totient is φ = 209614389076116.

The previous prime is 210220211010169. The next prime is 210220211010289. The reversal of 210220211010209 is 902010112022012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210220211010209 - 2⁴⁰ = 209120699382433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220211010289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302910966527 + ... + 302910967220.

It is an arithmetic number, because the mean of its divisors is an integer number (52706508236076).

Almost surely, 2^{210220211010209} is an apocalyptic number.

It is an amenable number.

210220211010209 is a deficient number, since it is larger than the sum of its proper divisors (605821934095).

210220211010209 is an equidigital number, since it uses as much as digits as its factorization.

210220211010209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605821934094.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 210220211010209 in words is "two hundred ten trillion, two hundred twenty billion, two hundred eleven million, ten thousand, two hundred nine".