221000200210 has 32 divisors (see below), whose sum is σ = 400507934400. Its totient is φ = 87799596480.

The previous prime is 221000200181. The next prime is 221000200271. The reversal of 221000200210 is 12002000122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409445 + ... + 1558375.

It is an arithmetic number, because the mean of its divisors is an integer number (12515872950).

Almost surely, 2^221000200210 is an apocalyptic number.

221000200210 is a deficient number, since it is larger than the sum of its proper divisors (179507734190).

221000200210 is a wasteful number, since it uses less digits than its factorization.

221000200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149946.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 221000200210 its reverse (12002000122), we get a palindrome (233002200332).

The spelling of 221000200210 in words is "two hundred twenty-one billion, two hundred thousand, two hundred ten".