200112212000121 has 32 divisors (see below), whose sum is σ = 281096835563520. Its totient is φ = 126385360094400.

The previous prime is 200112212000111. The next prime is 200112212000149. The reversal of 200112212000121 is 121000212211002.

It is not a de Polignac number, because 200112212000121 - 2¹⁹ = 200112211475833 is a prime.

It is a super-3 number, since 3×200112212000121³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200112212000121.

It is not an unprimeable number, because it can be changed into a prime (200112212000111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30135225 + ... + 36171206.

It is an arithmetic number, because the mean of its divisors is an integer number (8784276111360).

Almost surely, 2^{200112212000121} is an apocalyptic number.

It is an amenable number.

200112212000121 is a deficient number, since it is larger than the sum of its proper divisors (80984623563399).

200112212000121 is a wasteful number, since it uses less digits than its factorization.

200112212000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66306877.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200112212000121 its reverse (121000212211002), we get a palindrome (321112424211123).

The spelling of 200112212000121 in words is "two hundred trillion, one hundred twelve billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.