200133030021 has 4 divisors (see below), whose sum is σ = 266844040032. Its totient is φ = 133422020012.

The previous prime is 200133030017. The next prime is 200133030023. The reversal of 200133030021 is 120030331002.

200133030021 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 200133030021 - 2² = 200133030017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200133030023) 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, 33355505001 + ... + 33355505006.

It is an arithmetic number, because the mean of its divisors is an integer number (66711010008).

Almost surely, 2^200133030021 is an apocalyptic number.

It is an amenable number.

200133030021 is a deficient number, since it is larger than the sum of its proper divisors (66711010011).

200133030021 is an equidigital number, since it uses as much as digits as its factorization.

200133030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66711010010.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 200133030021 its reverse (120030331002), we get a palindrome (320163361023).

The spelling of 200133030021 in words is "two hundred billion, one hundred thirty-three million, thirty thousand, twenty-one".