111016085 has 4 divisors (see below), whose sum is σ = 133219308. Its totient is φ = 88812864.

The previous prime is 111016063. The next prime is 111016091. The reversal of 111016085 is 580610111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580610111 = 1597 ⋅363563.

It can be written as a sum of positive squares in 2 ways, for example, as 45616516 + 65399569 = 6754^2 + 8087^2 .

It is a cyclic number.

It is not a de Polignac number, because 111016085 - 2⁸ = 111015829 is a prime.

It is a super-2 number, since 2×111016085² = 24649142257454450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111016085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11101604 + ... + 11101613.

It is an arithmetic number, because the mean of its divisors is an integer number (33304827).

Almost surely, 2^111016085 is an apocalyptic number.

It is an amenable number.

111016085 is a deficient number, since it is larger than the sum of its proper divisors (22203223).

111016085 is an equidigital number, since it uses as much as digits as its factorization.

111016085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22203222.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 111016085 is about 10536.4170855182. The cubic root of 111016085 is about 480.6127663123.

Adding to 111016085 its reverse (580610111), we get a palindrome (691626196).

The spelling of 111016085 in words is "one hundred eleven million, sixteen thousand, eighty-five".