201113222321 has 4 divisors (see below), whose sum is σ = 219396242544. Its totient is φ = 182830202100.

The previous prime is 201113222311. The next prime is 201113222327. The reversal of 201113222321 is 123222311102.

201113222321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201113222321 - 2¹⁸ = 201112960177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201113222293 and 201113222302.

It is not an unprimeable number, because it can be changed into a prime (201113222327) 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 3 ways as a sum of consecutive naturals, for example, 9141510095 + ... + 9141510116.

It is an arithmetic number, because the mean of its divisors is an integer number (54849060636).

Almost surely, 2^201113222321 is an apocalyptic number.

It is an amenable number.

201113222321 is a deficient number, since it is larger than the sum of its proper divisors (18283020223).

201113222321 is a wasteful number, since it uses less digits than its factorization.

201113222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18283020222.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201113222321 its reverse (123222311102), we get a palindrome (324335533423).

The spelling of 201113222321 in words is "two hundred one billion, one hundred thirteen million, two hundred twenty-two thousand, three hundred twenty-one".