2101230222 has 128 divisors (see below), whose sum is σ = 5427523584. Its totient is φ = 527482368.

The previous prime is 2101230203. The next prime is 2101230223. The reversal of 2101230222 is 2220321012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101230223) 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 63 ways as a sum of consecutive naturals, for example, 948388 + ... + 950600.

It is an arithmetic number, because the mean of its divisors is an integer number (42402528).

Almost surely, 2^2101230222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101230222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2713761792).

2101230222 is an abundant number, since it is smaller than the sum of its proper divisors (3326293362).

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

2101230222 is a wasteful number, since it uses less digits than its factorization.

2101230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2101230222 is about 45839.1778067626. The cubic root of 2101230222 is about 1280.8291791349.

Adding to 2101230222 its reverse (2220321012), we get a palindrome (4321551234).

The spelling of 2101230222 in words is "two billion, one hundred one million, two hundred thirty thousand, two hundred twenty-two".