222121110200200 has 96 divisors (see below), whose sum is σ = 526971619548360. Its totient is φ = 87040176537600.

The previous prime is 222121110200191. The next prime is 222121110200207. The reversal of 222121110200200 is 2002011121222.

It is a happy number.

222121110200200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 26535458982564 + 195585651217636 = 5151258^2 + 13985194^2 .

It is not an unprimeable number, because it can be changed into a prime (222121110200207) 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, 8844249 + ... + 22857448.

Almost surely, 2^{222121110200200} is an apocalyptic number.

222121110200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222121110200200 is an abundant number, since it is smaller than the sum of its proper divisors (304850509348160).

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

222121110200200 is a wasteful number, since it uses less digits than its factorization.

222121110200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31702427 (or 31702418 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222121110200200 its reverse (2002011121222), we get a palindrome (224123121321422).

The spelling of 222121110200200 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred ten million, two hundred thousand, two hundred".