210001110220 has 48 divisors (see below), whose sum is σ = 481170515616. Its totient is φ = 76351808000.

The previous prime is 210001110217. The next prime is 210001110233. The reversal of 210001110220 is 22011100012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210001110197 and 210001110206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361430 + ... + 1507810.

It is an arithmetic number, because the mean of its divisors is an integer number (10024385742).

Almost surely, 2^210001110220 is an apocalyptic number.

210001110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001110220 is an abundant number, since it is smaller than the sum of its proper divisors (271169405396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210001110220 is a wasteful number, since it uses less digits than its factorization.

210001110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152922 (or 152920 counting only the distinct ones).

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

Adding to 210001110220 its reverse (22011100012), we get a palindrome (232012210232).

The spelling of 210001110220 in words is "two hundred ten billion, one million, one hundred ten thousand, two hundred twenty".