111113193 has 4 divisors (see below), whose sum is σ = 148150928. Its totient is φ = 74075460.

The previous prime is 111113143. The next prime is 111113201. The reversal of 111113193 is 391311111.

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 not a de Polignac number, because 111113193 - 2¹⁴ = 111096809 is a prime.

It is a super-2 number, since 2×111113193² = 24692283317310498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111113113) 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, 18518863 + ... + 18518868.

It is an arithmetic number, because the mean of its divisors is an integer number (37037732).

Almost surely, 2^111113193 is an apocalyptic number.

It is an amenable number.

111113193 is a deficient number, since it is larger than the sum of its proper divisors (37037735).

111113193 is an equidigital number, since it uses as much as digits as its factorization.

111113193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037734.

The product of its digits is 81, while the sum is 21.

The square root of 111113193 is about 10541.0242860929. The cubic root of 111113193 is about 480.7528593537.

The spelling of 111113193 in words is "one hundred eleven million, one hundred thirteen thousand, one hundred ninety-three".