221002220110210 has 96 divisors (see below), whose sum is σ = 501711646536576. Its totient is φ = 68609370720000.

The previous prime is 221002220110171. The next prime is 221002220110247. The reversal of 221002220110210 is 12011022200122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49850827 + ... + 54102766.

It is an arithmetic number, because the mean of its divisors is an integer number (5226162984756).

Almost surely, 2^{221002220110210} is an apocalyptic number.

221002220110210 is an abundant number, since it is smaller than the sum of its proper divisors (280709426426366).

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

221002220110210 is a wasteful number, since it uses less digits than its factorization.

221002220110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103953880 (or 103953869 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221002220110210 its reverse (12011022200122), we get a palindrome (233013242310332).

The spelling of 221002220110210 in words is "two hundred twenty-one trillion, two billion, two hundred twenty million, one hundred ten thousand, two hundred ten".