200210002112221 has 4 divisors (see below), whose sum is σ = 200216567050812. Its totient is φ = 200203437173632.

The previous prime is 200210002112191. The next prime is 200210002112227. The reversal of 200210002112221 is 122211200012002.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 162263293304121 + 37946708808100 = 12738261^2 + 6160090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200210002112221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210002112195 and 200210002112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210002112227) 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, 3282423550 + ... + 3282484543.

It is an arithmetic number, because the mean of its divisors is an integer number (50054141762703).

Almost surely, 2^{200210002112221} is an apocalyptic number.

It is an amenable number.

200210002112221 is a deficient number, since it is larger than the sum of its proper divisors (6564938591).

200210002112221 is an equidigital number, since it uses as much as digits as its factorization.

200210002112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564938590.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200210002112221 its reverse (122211200012002), we get a palindrome (322421202124223).

The spelling of 200210002112221 in words is "two hundred trillion, two hundred ten billion, two million, one hundred twelve thousand, two hundred twenty-one".