200021122222 has 16 divisors (see below), whose sum is σ = 317689000992. Its totient is φ = 94125099520.

The previous prime is 200021122219. The next prime is 200021122241. The reversal of 200021122222 is 222221120002.

It is a junction number, because it is equal to n+sod(n) for n = 200021122196 and 200021122205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168598 + ... + 2258950.

It is an arithmetic number, because the mean of its divisors is an integer number (19855562562).

Almost surely, 2^200021122222 is an apocalyptic number.

200021122222 is a deficient number, since it is larger than the sum of its proper divisors (117667878770).

200021122222 is a wasteful number, since it uses less digits than its factorization.

200021122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155483.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 200021122222 its reverse (222221120002), we get a palindrome (422242242224).

The spelling of 200021122222 in words is "two hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".