111112146 has 12 divisors (see below), whose sum is σ = 240743022. Its totient is φ = 37037376.

The previous prime is 111112121. The next prime is 111112181. The reversal of 111112146 is 641211111.

It can be written as a sum of positive squares in only one way, i.e., 104837121 + 6275025 = 10239^2 + 2505^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6172897 = 111112146 / (1 + 1 + 1 + 1 + 1 + 2 + 1 + 4 + 6).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086431 + ... + 3086466.

Almost surely, 2^111112146 is an apocalyptic number.

111112146 is an abundant number, since it is smaller than the sum of its proper divisors (129630876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111112146 is a wasteful number, since it uses less digits than its factorization.

111112146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172905 (or 6172902 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

The square root of 111112146 is about 10540.9746228705. The cubic root of 111112146 is about 480.7513493326.

Adding to 111112146 its reverse (641211111), we get a palindrome (752323257).

The spelling of 111112146 in words is "one hundred eleven million, one hundred twelve thousand, one hundred forty-six".