111233113 has 4 divisors (see below), whose sum is σ = 113118480. Its totient is φ = 109347748.

The previous prime is 111233107. The next prime is 111233117. The reversal of 111233113 is 311332111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311332111 = 131 ⋅2376581.

It is a cyclic number.

It is not a de Polignac number, because 111233113 - 2¹³ = 111224921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111233117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942595 + ... + 942712.

It is an arithmetic number, because the mean of its divisors is an integer number (28279620).

Almost surely, 2^111233113 is an apocalyptic number.

It is an amenable number.

111233113 is a deficient number, since it is larger than the sum of its proper divisors (1885367).

111233113 is an equidigital number, since it uses as much as digits as its factorization.

111233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885366.

The product of its digits is 54, while the sum is 16.

The square root of 111233113 is about 10546.7110039102. The cubic root of 111233113 is about 480.9257495789.

Adding to 111233113 its reverse (311332111), we get a palindrome (422565224).

It can be divided in two parts, 1112 and 33113, that added together give a square (34225 = 185²).

The spelling of 111233113 in words is "one hundred eleven million, two hundred thirty-three thousand, one hundred thirteen".