111073 has 4 divisors (see below), whose sum is σ = 114688. Its totient is φ = 107460.

The previous prime is 111053. The next prime is 111091. The reversal of 111073 is 370111.

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.

It is a cyclic number.

It is not a de Polignac number, because 111073 - 2¹³ = 102881 is a prime.

It is a super-2 number, since 2×111073² = 24674422658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111043) 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, 1761 + ... + 1822.

It is an arithmetic number, because the mean of its divisors is an integer number (28672).

2¹¹¹⁰⁷³ is an apocalyptic number.

It is an amenable number.

111073 is a deficient number, since it is larger than the sum of its proper divisors (3615).

111073 is an equidigital number, since it uses as much as digits as its factorization.

111073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 111073 is about 333.2761617638. The cubic root of 111073 is about 48.0694884750.

Adding to 111073 its reverse (370111), we get a palindrome (481184).

The spelling of 111073 in words is "one hundred eleven thousand, seventy-three", and thus it is an iban number.