200221311 has 4 divisors (see below), whose sum is σ = 266961752. Its totient is φ = 133480872.

The previous prime is 200221309. The next prime is 200221331. The reversal of 200221311 is 113122002.

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

It is not a de Polignac number, because 200221311 - 2¹ = 200221309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221331) 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, 33370216 + ... + 33370221.

It is an arithmetic number, because the mean of its divisors is an integer number (66740438).

Almost surely, 2^200221311 is an apocalyptic number.

200221311 is a deficient number, since it is larger than the sum of its proper divisors (66740441).

200221311 is an equidigital number, since it uses as much as digits as its factorization.

200221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66740440.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 200221311 is about 14149.9579858034. The cubic root of 200221311 is about 585.0191738912.

Adding to 200221311 its reverse (113122002), we get a palindrome (313343313).

The spelling of 200221311 in words is "two hundred million, two hundred twenty-one thousand, three hundred eleven".