111320423222 has 4 divisors (see below), whose sum is σ = 166980634836. Its totient is φ = 55660211610.

The previous prime is 111320423153. The next prime is 111320423233. The reversal of 111320423222 is 222324023111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×111320423222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27830105804 + ... + 27830105807.

It is an arithmetic number, because the mean of its divisors is an integer number (41745158709).

Almost surely, 2^111320423222 is an apocalyptic number.

111320423222 is a deficient number, since it is larger than the sum of its proper divisors (55660211614).

111320423222 is an equidigital number, since it uses as much as digits as its factorization.

111320423222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55660211613.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 111320423222 its reverse (222324023111), we get a palindrome (333644446333).

The spelling of 111320423222 in words is "one hundred eleven billion, three hundred twenty million, four hundred twenty-three thousand, two hundred twenty-two".