200021220011 has 4 divisors (see below), whose sum is σ = 202431114312. Its totient is φ = 197611325712.

The previous prime is 200021219947. The next prime is 200021220013. The reversal of 200021220011 is 110022120002.

It is a happy number.

200021220011 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 200021220011 - 2⁶ = 200021219947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200021219974 and 200021220001.

It is not an unprimeable number, because it can be changed into a prime (200021220013) 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, 1204947026 + ... + 1204947191.

It is an arithmetic number, because the mean of its divisors is an integer number (50607778578).

Almost surely, 2^200021220011 is an apocalyptic number.

200021220011 is a deficient number, since it is larger than the sum of its proper divisors (2409894301).

200021220011 is an equidigital number, since it uses as much as digits as its factorization.

200021220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409894300.

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

Adding to 200021220011 its reverse (110022120002), we get a palindrome (310043340013).

The spelling of 200021220011 in words is "two hundred billion, twenty-one million, two hundred twenty thousand, eleven".