222021110200 has 96 divisors (see below), whose sum is σ = 523052236800. Its totient is φ = 87630791040.

The previous prime is 222021110197. The next prime is 222021110209. The reversal of 222021110200 is 2011120222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021110209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34867417 + ... + 34873783.

It is an arithmetic number, because the mean of its divisors is an integer number (5448460800).

Almost surely, 2^222021110200 is an apocalyptic number.

222021110200 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 222021110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261526118400).

222021110200 is an abundant number, since it is smaller than the sum of its proper divisors (301031126600).

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

222021110200 is a wasteful number, since it uses less digits than its factorization.

222021110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8669 (or 8660 counting only the distinct ones).

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

Adding to 222021110200 its reverse (2011120222), we get a palindrome (224032230422).

The spelling of 222021110200 in words is "two hundred twenty-two billion, twenty-one million, one hundred ten thousand, two hundred".