200100111121 has 4 divisors (see below), whose sum is σ = 202633024000. Its totient is φ = 197567198244.

The previous prime is 200100111109. The next prime is 200100111163. The reversal of 200100111121 is 121111001002.

200100111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200100111121 - 2¹³ = 200100102929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200100111098 and 200100111107.

It is not an unprimeable number, because it can be changed into a prime (200100117121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266456321 + ... + 1266456478.

It is an arithmetic number, because the mean of its divisors is an integer number (50658256000).

Almost surely, 2^200100111121 is an apocalyptic number.

It is an amenable number.

200100111121 is a deficient number, since it is larger than the sum of its proper divisors (2532912879).

200100111121 is an equidigital number, since it uses as much as digits as its factorization.

200100111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532912878.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200100111121 its reverse (121111001002), we get a palindrome (321211112123).

The spelling of 200100111121 in words is "two hundred billion, one hundred million, one hundred eleven thousand, one hundred twenty-one".