111112130 has 32 divisors (see below), whose sum is σ = 203986944. Its totient is φ = 43566336.

The previous prime is 111112121. The next prime is 111112181. The reversal of 111112130 is 31211111.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256394 + ... + 256826.

It is an arithmetic number, because the mean of its divisors is an integer number (6374592).

Almost surely, 2^111112130 is an apocalyptic number.

111112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111112130 is a deficient number, since it is larger than the sum of its proper divisors (92874814).

111112130 is a wasteful number, since it uses less digits than its factorization.

111112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 111112130 is about 10540.9738639274. The cubic root of 111112130 is about 480.7513262567.

Adding to 111112130 its reverse (31211111), we get a palindrome (142323241).

The spelling of 111112130 in words is "one hundred eleven million, one hundred twelve thousand, one hundred thirty".