210201122220 has 96 divisors (see below), whose sum is σ = 590600263680. Its totient is φ = 55859930880.

The previous prime is 210201122161. The next prime is 210201122273. The reversal of 210201122220 is 22221102012.

210201122220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210201122220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25416246 + ... + 25424514.

It is an arithmetic number, because the mean of its divisors is an integer number (6152086080).

Almost surely, 2^210201122220 is an apocalyptic number.

210201122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201122220 is an abundant number, since it is smaller than the sum of its proper divisors (380399141460).

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

210201122220 is a wasteful number, since it uses less digits than its factorization.

210201122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695 (or 9693 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210201122220 its reverse (22221102012), we get a palindrome (232422224232).

The spelling of 210201122220 in words is "two hundred ten billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty".