111081093 has 4 divisors (see below), whose sum is σ = 148108128. Its totient is φ = 74054060.

The previous prime is 111081073. The next prime is 111081097. The reversal of 111081093 is 390180111.

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: 390180111 = 3 ⋅130060037.

It is a cyclic number.

It is not a de Polignac number, because 111081093 - 2⁹ = 111080581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111081097) 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, 18513513 + ... + 18513518.

It is an arithmetic number, because the mean of its divisors is an integer number (37027032).

Almost surely, 2^111081093 is an apocalyptic number.

It is an amenable number.

111081093 is a deficient number, since it is larger than the sum of its proper divisors (37027035).

111081093 is an equidigital number, since it uses as much as digits as its factorization.

111081093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37027034.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 111081093 is about 10539.5015536789. The cubic root of 111081093 is about 480.7065592619.

The spelling of 111081093 in words is "one hundred eleven million, eighty-one thousand, ninety-three".