222221101200 has 120 divisors (see below), whose sum is σ = 813540900288. Its totient is φ = 50793392640.

The previous prime is 222221101199. The next prime is 222221101213. The reversal of 222221101200 is 2101122222.

222221101200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222221101200.

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 23 ways as a sum of consecutive naturals, for example, 13219047 + ... + 13235846.

Almost surely, 2^222221101200 is an apocalyptic number.

222221101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222221101200 is an abundant number, since it is smaller than the sum of its proper divisors (591319799088).

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

222221101200 is a wasteful number, since it uses less digits than its factorization.

222221101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26454921 (or 26454910 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222221101200 its reverse (2101122222), we get a palindrome (224322223422).

The spelling of 222221101200 in words is "two hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, two hundred".