111324321 has 16 divisors (see below), whose sum is σ = 166561920. Its totient is φ = 73479600.

The previous prime is 111324277. The next prime is 111324337. The reversal of 111324321 is 123423111.

It is not a de Polignac number, because 111324321 - 2¹³ = 111316129 is a prime.

It is a super-2 number, since 2×111324321² = 24786208892222082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111324294 and 111324303.

It is not an unprimeable number, because it can be changed into a prime (111324121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17685 + ... + 23138.

It is an arithmetic number, because the mean of its divisors is an integer number (10410120).

Almost surely, 2^111324321 is an apocalyptic number.

It is an amenable number.

111324321 is a deficient number, since it is larger than the sum of its proper divisors (55237599).

111324321 is a wasteful number, since it uses less digits than its factorization.

111324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40933 (or 40927 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 111324321 is about 10551.0341199335. The cubic root of 111324321 is about 481.0571621619.

Adding to 111324321 its reverse (123423111), we get a palindrome (234747432).

The spelling of 111324321 in words is "one hundred eleven million, three hundred twenty-four thousand, three hundred twenty-one".