221323023111 has 8 divisors (see below), whose sum is σ = 295103289600. Its totient is φ = 147545719352.

The previous prime is 221323023091. The next prime is 221323023121. The reversal of 221323023111 is 111320323122.

221323023111 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 221323023111 - 2⁵ = 221323023079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221323023121) 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, 560085 + ... + 869678.

It is an arithmetic number, because the mean of its divisors is an integer number (36887911200).

Almost surely, 2^221323023111 is an apocalyptic number.

221323023111 is a deficient number, since it is larger than the sum of its proper divisors (73780266489).

221323023111 is a wasteful number, since it uses less digits than its factorization.

221323023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481365.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221323023111 its reverse (111320323122), we get a palindrome (332643346233).

The spelling of 221323023111 in words is "two hundred twenty-one billion, three hundred twenty-three million, twenty-three thousand, one hundred eleven".