211300232221 has 8 divisors (see below), whose sum is σ = 227568610080. Its totient is φ = 195033927792.

The previous prime is 211300232189. The next prime is 211300232251. The reversal of 211300232221 is 122232003112.

211300232221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211300232221 - 2⁵ = 211300232189 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 (211300232251) 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 7 ways as a sum of consecutive naturals, for example, 303391 + ... + 717388.

It is an arithmetic number, because the mean of its divisors is an integer number (28446076260).

Almost surely, 2^211300232221 is an apocalyptic number.

It is an amenable number.

211300232221 is a deficient number, since it is larger than the sum of its proper divisors (16268377859).

211300232221 is a wasteful number, since it uses less digits than its factorization.

211300232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036715.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211300232221 its reverse (122232003112), we get a palindrome (333532235333).

The spelling of 211300232221 in words is "two hundred eleven billion, three hundred million, two hundred thirty-two thousand, two hundred twenty-one".