210010200210221 has 4 divisors (see below), whose sum is σ = 215686151567292. Its totient is φ = 204334248853152.

The previous prime is 210010200210193. The next prime is 210010200210259. The reversal of 210010200210221 is 122012002010012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200081336190121 + 9928864020100 = 14145011^2 + 3151010^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010200210221 - 2³⁰ = 210009126468397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210010200210196 and 210010200210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010260210221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837975678480 + ... + 2837975678553.

It is an arithmetic number, because the mean of its divisors is an integer number (53921537891823).

Almost surely, 2^{210010200210221} is an apocalyptic number.

It is an amenable number.

210010200210221 is a deficient number, since it is larger than the sum of its proper divisors (5675951357071).

210010200210221 is an equidigital number, since it uses as much as digits as its factorization.

210010200210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675951357070.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210010200210221 its reverse (122012002010012), we get a palindrome (332022202220233).

The spelling of 210010200210221 in words is "two hundred ten trillion, ten billion, two hundred million, two hundred ten thousand, two hundred twenty-one".