200220112021 has 4 divisors (see below), whose sum is σ = 206678825344. Its totient is φ = 193761398700.

The previous prime is 200220112013. The next prime is 200220112063. The reversal of 200220112021 is 120211022002.

It is a happy number.

200220112021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200220112021 - 2³ = 200220112013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200220111992 and 200220112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220112091) 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, 3229356615 + ... + 3229356676.

It is an arithmetic number, because the mean of its divisors is an integer number (51669706336).

Almost surely, 2^200220112021 is an apocalyptic number.

It is an amenable number.

200220112021 is a deficient number, since it is larger than the sum of its proper divisors (6458713323).

200220112021 is an equidigital number, since it uses as much as digits as its factorization.

200220112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458713322.

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

Adding to 200220112021 its reverse (120211022002), we get a palindrome (320431134023).

The spelling of 200220112021 in words is "two hundred billion, two hundred twenty million, one hundred twelve thousand, twenty-one".