200000221100221 has 4 divisors (see below), whose sum is σ = 206451841135744. Its totient is φ = 193548601064700.

The previous prime is 200000221100201. The next prime is 200000221100243. The reversal of 200000221100221 is 122001122000002.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 200000221100221 - 2⁵ = 200000221100189 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 (200000221100201) 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, 3225810017715 + ... + 3225810017776.

It is an arithmetic number, because the mean of its divisors is an integer number (51612960283936).

Almost surely, 2^{200000221100221} is an apocalyptic number.

It is an amenable number.

200000221100221 is a deficient number, since it is larger than the sum of its proper divisors (6451620035523).

200000221100221 is an equidigital number, since it uses as much as digits as its factorization.

200000221100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451620035522.

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

Adding to 200000221100221 its reverse (122001122000002), we get a palindrome (322001343100223).

The spelling of 200000221100221 in words is "two hundred trillion, two hundred twenty-one million, one hundred thousand, two hundred twenty-one".