200021020211 has 4 divisors (see below), whose sum is σ = 206918296800. Its totient is φ = 193123743624.

The previous prime is 200021020183. The next prime is 200021020237. The reversal of 200021020211 is 112020120002.

It is a happy number.

200021020211 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.

It is a cyclic number.

It is not a de Polignac number, because 200021020211 - 2³⁴ = 182841151027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200021020192 and 200021020201.

It is not an unprimeable number, because it can be changed into a prime (200021023211) 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, 3448638251 + ... + 3448638308.

It is an arithmetic number, because the mean of its divisors is an integer number (51729574200).

Almost surely, 2^200021020211 is an apocalyptic number.

200021020211 is a deficient number, since it is larger than the sum of its proper divisors (6897276589).

200021020211 is an equidigital number, since it uses as much as digits as its factorization.

200021020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897276588.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200021020211 its reverse (112020120002), we get a palindrome (312041140213).

The spelling of 200021020211 in words is "two hundred billion, twenty-one million, twenty thousand, two hundred eleven".