211301120221 has 32 divisors (see below), whose sum is σ = 227920158720. Its totient is φ = 195423564864.

The previous prime is 211301120209. The next prime is 211301120227. The reversal of 211301120221 is 122021103112.

211301120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211301120221 - 2¹¹ = 211301118173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211301120195 and 211301120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211301120227) 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 31 ways as a sum of consecutive naturals, for example, 78461751 + ... + 78464443.

It is an arithmetic number, because the mean of its divisors is an integer number (7122504960).

Almost surely, 2^211301120221 is an apocalyptic number.

It is an amenable number.

211301120221 is a deficient number, since it is larger than the sum of its proper divisors (16619038499).

211301120221 is a wasteful number, since it uses less digits than its factorization.

211301120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211301120221 its reverse (122021103112), we get a palindrome (333322223333).

The spelling of 211301120221 in words is "two hundred eleven billion, three hundred one million, one hundred twenty thousand, two hundred twenty-one".