200200011121 has 4 divisors (see below), whose sum is σ = 218400012144. Its totient is φ = 182000010100.

The previous prime is 200200011113. The next prime is 200200011127. The reversal of 200200011121 is 121110002002.

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 200200011121 - 2³ = 200200011113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200200011098 and 200200011107.

It is not an unprimeable number, because it can be changed into a prime (200200011127) 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 3 ways as a sum of consecutive naturals, for example, 9100000495 + ... + 9100000516.

It is an arithmetic number, because the mean of its divisors is an integer number (54600003036).

Almost surely, 2^200200011121 is an apocalyptic number.

It is an amenable number.

200200011121 is a deficient number, since it is larger than the sum of its proper divisors (18200001023).

200200011121 is a wasteful number, since it uses less digits than its factorization.

200200011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200001022.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200200011121 its reverse (121110002002), we get a palindrome (321310013123).

The spelling of 200200011121 in words is "two hundred billion, two hundred million, eleven thousand, one hundred twenty-one".