200021200011 has 40 divisors (see below), whose sum is σ = 315677229120. Its totient is φ = 126009862272.

The previous prime is 200021199979. The next prime is 200021200037. The reversal of 200021200011 is 110002120002.

It is not a de Polignac number, because 200021200011 - 2⁵ = 200021199979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200021199966 and 200021200002.

It is not an unprimeable number, because it can be changed into a prime (200021200081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 795466 + ... + 1016271.

It is an arithmetic number, because the mean of its divisors is an integer number (7891930728).

Almost surely, 2^200021200011 is an apocalyptic number.

200021200011 is a deficient number, since it is larger than the sum of its proper divisors (115656029109).

200021200011 is a wasteful number, since it uses less digits than its factorization.

200021200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811825 (or 1811816 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200021200011 its reverse (110002120002), we get a palindrome (310023320013).

It can be divided in two parts, 20002120001 and 1, that added together give a palindrome (20002120002).

The spelling of 200021200011 in words is "two hundred billion, twenty-one million, two hundred thousand, eleven".