210000110221 has 16 divisors (see below), whose sum is σ = 231993345600. Its totient is φ = 190075250640.

The previous prime is 210000110209. The next prime is 210000110227. The reversal of 210000110221 is 122011000012.

It is not a de Polignac number, because 210000110221 - 2⁵ = 210000110189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210000110198 and 210000110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000110227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39691 + ... + 649288.

It is an arithmetic number, because the mean of its divisors is an integer number (14499584100).

Almost surely, 2^210000110221 is an apocalyptic number.

It is an amenable number.

210000110221 is a deficient number, since it is larger than the sum of its proper divisors (21993235379).

210000110221 is an equidigital number, since it uses as much as digits as its factorization.

210000110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689241 (or 689219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210000110221 its reverse (122011000012), we get a palindrome (332011110233).

The spelling of 210000110221 in words is "two hundred ten billion, one hundred ten thousand, two hundred twenty-one".