200121002206 has 16 divisors (see below), whose sum is σ = 310946149440. Its totient is φ = 96481476000.

The previous prime is 200121002189. The next prime is 200121002311. The reversal of 200121002206 is 602200121002.

It is a self number, because there is not a number n which added to its sum of digits gives 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 7 ways as a sum of consecutive naturals, for example, 2253621 + ... + 2340736.

It is an arithmetic number, because the mean of its divisors is an integer number (19434134340).

Almost surely, 2^200121002206 is an apocalyptic number.

200121002206 is a deficient number, since it is larger than the sum of its proper divisors (110825147234).

200121002206 is a wasteful number, since it uses less digits than its factorization.

200121002206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595139.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200121002206 its reverse (602200121002), we get a palindrome (802321123208).

The spelling of 200121002206 in words is "two hundred billion, one hundred twenty-one million, two thousand, two hundred six".