210002200221 has 32 divisors (see below), whose sum is σ = 309994168320. Its totient is φ = 125390865600.

The previous prime is 210002200207. The next prime is 210002200223. The reversal of 210002200221 is 122002200012.

210002200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210002200221 - 2¹⁷ = 210002069149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210002200197 and 210002200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002200223) 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 31 ways as a sum of consecutive naturals, for example, 1120051 + ... + 1294031.

It is an arithmetic number, because the mean of its divisors is an integer number (9687317760).

Almost surely, 2^210002200221 is an apocalyptic number.

It is an amenable number.

210002200221 is a deficient number, since it is larger than the sum of its proper divisors (99991968099).

210002200221 is a wasteful number, since it uses less digits than its factorization.

210002200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174537.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210002200221 its reverse (122002200012), we get a palindrome (332004400233).

The spelling of 210002200221 in words is "two hundred ten billion, two million, two hundred thousand, two hundred twenty-one".