111148112 has 10 divisors (see below), whose sum is σ = 215349498. Its totient is φ = 55574048.

The previous prime is 111148099. The next prime is 111148117. The reversal of 111148112 is 211841111.

It can be written as a sum of positive squares in only one way, i.e., 108910096 + 2238016 = 10436^2 + 1496^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111148117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473363 + ... + 3473394.

Almost surely, 2^111148112 is an apocalyptic number.

It is an amenable number.

111148112 is a deficient number, since it is larger than the sum of its proper divisors (104201386).

111148112 is an equidigital number, since it uses as much as digits as its factorization.

111148112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946765 (or 6946759 counting only the distinct ones).

The product of its digits is 64, while the sum is 20.

The square root of 111148112 is about 10542.6804940679. The cubic root of 111148112 is about 480.8032153627.

Adding to 111148112 its reverse (211841111), we get a palindrome (322989223).

The spelling of 111148112 in words is "one hundred eleven million, one hundred forty-eight thousand, one hundred twelve".