200021100211 has 4 divisors (see below), whose sum is σ = 201596069632. Its totient is φ = 198446130792.

The previous prime is 200021100161. The next prime is 200021100217. The reversal of 200021100211 is 112001120002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200021100211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021100217) 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, 787484520 + ... + 787484773.

It is an arithmetic number, because the mean of its divisors is an integer number (50399017408).

Almost surely, 2^200021100211 is an apocalyptic number.

200021100211 is a deficient number, since it is larger than the sum of its proper divisors (1574969421).

200021100211 is a wasteful number, since it uses less digits than its factorization.

200021100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574969420.

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

Adding to 200021100211 its reverse (112001120002), we get a palindrome (312022220213).

The spelling of 200021100211 in words is "two hundred billion, twenty-one million, one hundred thousand, two hundred eleven".