210112110220 has 96 divisors (see below), whose sum is σ = 476557603200. Its totient is φ = 77576024064.

The previous prime is 210112110211. The next prime is 210112110227. The reversal of 210112110220 is 22011211012.

210112110220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210112110220² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210112110220.

It is not an unprimeable number, because it can be changed into a prime (210112110227) 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, 34801042 + ... + 34807078.

It is an arithmetic number, because the mean of its divisors is an integer number (4964141700).

Almost surely, 2^210112110220 is an apocalyptic number.

210112110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210112110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238278801600).

210112110220 is an abundant number, since it is smaller than the sum of its proper divisors (266445492980).

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

210112110220 is a wasteful number, since it uses less digits than its factorization.

210112110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210112110220 its reverse (22011211012), we get a palindrome (232123321232).

The spelling of 210112110220 in words is "two hundred ten billion, one hundred twelve million, one hundred ten thousand, two hundred twenty".