200211211011221 has 8 divisors (see below), whose sum is σ = 200578452354720. Its totient is φ = 199843974137808.

The previous prime is 200211211011209. The next prime is 200211211011241. The reversal of 200211211011221 is 122110112112002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200211211011221 - 2³⁰ = 200210137269397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200211211011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211211011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96326255 + ... + 98382771.

It is an arithmetic number, because the mean of its divisors is an integer number (25072306544340).

Almost surely, 2^{200211211011221} is an apocalyptic number.

It is an amenable number.

200211211011221 is a deficient number, since it is larger than the sum of its proper divisors (367241343499).

200211211011221 is a wasteful number, since it uses less digits than its factorization.

200211211011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235043.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 200211211011221 its reverse (122110112112002), we get a palindrome (322321323123223).

The spelling of 200211211011221 in words is "two hundred trillion, two hundred eleven billion, two hundred eleven million, eleven thousand, two hundred twenty-one".