22210121200 has 30 divisors (see below), whose sum is σ = 53359817144. Its totient is φ = 8884048320.

The previous prime is 22210121191. The next prime is 22210121243. The reversal of 22210121200 is 212101222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27762252 + ... + 27763051.

Almost surely, 2^22210121200 is an apocalyptic number.

22210121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210121200 is an abundant number, since it is smaller than the sum of its proper divisors (31149695944).

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

22210121200 is a wasteful number, since it uses less digits than its factorization.

22210121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55525321 (or 55525310 counting only the distinct ones).

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

Adding to 22210121200 its reverse (212101222), we get a palindrome (22422222422).

The spelling of 22210121200 in words is "twenty-two billion, two hundred ten million, one hundred twenty-one thousand, two hundred".