111130000 has 50 divisors (see below), whose sum is σ = 269081054. Its totient is φ = 44448000.

The previous prime is 111129989. The next prime is 111130013. The reversal of 111130000 is 31111.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 82228624 + 28901376 = 9068^2 + 5376^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4444 + ... + 15556.

Almost surely, 2^111130000 is an apocalyptic number.

111130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134540527).

111130000 is an abundant number, since it is smaller than the sum of its proper divisors (157951054).

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

111130000 is an equidigital number, since it uses as much as digits as its factorization.

111130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141 (or 11120 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 111130000 is about 10541.8214744891. The cubic root of 111130000 is about 480.7770977174. Note that the first 3 decimals are identical.

Adding to 111130000 its reverse (31111), we get a palindrome (111161111).

The spelling of 111130000 in words is "one hundred eleven million, one hundred thirty thousand".