200222121222 has 12 divisors (see below), whose sum is σ = 433814596020. Its totient is φ = 66740707068.

The previous prime is 200222121199. The next prime is 200222121299. The reversal of 200222121222 is 222121222002.

200222121222 is a `hidden beast` number, since 200 + 2 + 221 + 21 + 222 = 666.

200222121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11123451179 = 200222121222 / (2 + 0 + 0 + 2 + 2 + 2 + 1 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 200222121195 and 200222121204.

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, 5561725572 + ... + 5561725607.

It is an arithmetic number, because the mean of its divisors is an integer number (36151216335).

Almost surely, 2^200222121222 is an apocalyptic number.

200222121222 is an abundant number, since it is smaller than the sum of its proper divisors (233592474798).

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

200222121222 is a wasteful number, since it uses less digits than its factorization.

200222121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11123451187 (or 11123451184 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200222121222 its reverse (222121222002), we get a palindrome (422343343224).

The spelling of 200222121222 in words is "two hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".