200021220211 has 4 divisors (see below), whose sum is σ = 203795205552. Its totient is φ = 196247234872.

The previous prime is 200021220199. The next prime is 200021220229. The reversal of 200021220211 is 112022120002.

It is a happy number.

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 200021220211 - 2²⁹ = 199484349299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200021220191 and 200021220200.

It is not an unprimeable number, because it can be changed into a prime (200021220241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886992591 + ... + 1886992696.

It is an arithmetic number, because the mean of its divisors is an integer number (50948801388).

Almost surely, 2^200021220211 is an apocalyptic number.

200021220211 is a deficient number, since it is larger than the sum of its proper divisors (3773985341).

200021220211 is an equidigital number, since it uses as much as digits as its factorization.

200021220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773985340.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200021220211 its reverse (112022120002), we get a palindrome (312043340213).

The spelling of 200021220211 in words is "two hundred billion, twenty-one million, two hundred twenty thousand, two hundred eleven".