200112020000121 has 32 divisors (see below), whose sum is σ = 270393245595648. Its totient is φ = 131631332112000.

The previous prime is 200112020000089. The next prime is 200112020000161. The reversal of 200112020000121 is 121000020211002.

It is not a de Polignac number, because 200112020000121 - 2⁵ = 200112020000089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200112020000097 and 200112020000106.

It is not an unprimeable number, because it can be changed into a prime (200112020000161) 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, 978043596 + ... + 978248178.

It is an arithmetic number, because the mean of its divisors is an integer number (8449788924864).

Almost surely, 2^{200112020000121} is an apocalyptic number.

It is an amenable number.

200112020000121 is a deficient number, since it is larger than the sum of its proper divisors (70281225595527).

200112020000121 is a wasteful number, since it uses less digits than its factorization.

200112020000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219141.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200112020000121 its reverse (121000020211002), we get a palindrome (321112040211123).

The spelling of 200112020000121 in words is "two hundred trillion, one hundred twelve billion, twenty million, one hundred twenty-one", and thus it is an aban number.