112321111 has 4 divisors (see below), whose sum is σ = 128366992. Its totient is φ = 96275232.

The previous prime is 112321109. The next prime is 112321127. The reversal of 112321111 is 111123211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111123211 = 109 ⋅1019479.

It is a cyclic number.

It is not a de Polignac number, because 112321111 - 2¹ = 112321109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112321091 and 112321100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112321171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8022930 + ... + 8022943.

It is an arithmetic number, because the mean of its divisors is an integer number (32091748).

Almost surely, 2^112321111 is an apocalyptic number.

112321111 is a deficient number, since it is larger than the sum of its proper divisors (16045881).

112321111 is an equidigital number, since it uses as much as digits as its factorization.

112321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16045880.

The product of its digits is 12, while the sum is 13.

The square root of 112321111 is about 10598.1654544548. The cubic root of 112321111 is about 482.4886818468.

Adding to 112321111 its reverse (111123211), we get a palindrome (223444322).

It can be divided in two parts, 1123211 and 11, that multiplied together give a palindrome (12355321).

The spelling of 112321111 in words is "one hundred twelve million, three hundred twenty-one thousand, one hundred eleven".