200121002222 has 8 divisors (see below), whose sum is σ = 300282822216. Its totient is φ = 100026728152.

The previous prime is 200121002189. The next prime is 200121002311. The reversal of 200121002222 is 222200121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 200121002197 and 200121002206.

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 3 ways as a sum of consecutive naturals, for example, 16879073 + ... + 16890924.

It is an arithmetic number, because the mean of its divisors is an integer number (37535352777).

Almost surely, 2^200121002222 is an apocalyptic number.

200121002222 is a deficient number, since it is larger than the sum of its proper divisors (100161819994).

200121002222 is a wasteful number, since it uses less digits than its factorization.

200121002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33772962.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200121002222 its reverse (222200121002), we get a palindrome (422321123224).

It can be divided in two parts, 200121002 and 222, that multiplied together give a palindrome (44426862444).

The spelling of 200121002222 in words is "two hundred billion, one hundred twenty-one million, two thousand, two hundred twenty-two".