211002102220 has 96 divisors (see below), whose sum is σ = 555649331328. Its totient is φ = 65518682112.

The previous prime is 211002102151. The next prime is 211002102253. The reversal of 211002102220 is 22201200112.

It is a happy number.

211002102220 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 (13).

It is a self number, because there is not a number n which added to its sum of digits gives 211002102220.

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, 997269 + ... + 1190188.

It is an arithmetic number, because the mean of its divisors is an integer number (5788013868).

Almost surely, 2^211002102220 is an apocalyptic number.

211002102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211002102220 is an abundant number, since it is smaller than the sum of its proper divisors (344647229108).

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

211002102220 is a wasteful number, since it uses less digits than its factorization.

211002102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187539 (or 2187537 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211002102220 its reverse (22201200112), we get a palindrome (233203302332).

The spelling of 211002102220 in words is "two hundred eleven billion, two million, one hundred two thousand, two hundred twenty".