111231130 has 32 divisors (see below), whose sum is σ = 212204160. Its totient is φ = 41860800.

The previous prime is 111231103. The next prime is 111231143. The reversal of 111231130 is 31132111.

It is a self number, because there is not a number n which added to its sum of digits gives 111231130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26752 + ... + 30628.

It is an arithmetic number, because the mean of its divisors is an integer number (6631380).

Almost surely, 2^111231130 is an apocalyptic number.

111231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111231130 is a deficient number, since it is larger than the sum of its proper divisors (100973030).

111231130 is a wasteful number, since it uses less digits than its factorization.

111231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111231130 is about 10546.6169931405. The cubic root of 111231130 is about 480.9228916726.

Adding to 111231130 its reverse (31132111), we get a palindrome (142363241).

The spelling of 111231130 in words is "one hundred eleven million, two hundred thirty-one thousand, one hundred thirty".