111111112230 has 32 divisors (see below), whose sum is σ = 266807973600. Its totient is φ = 29613929472.

The previous prime is 111111112153. The next prime is 111111112261. The reversal of 111111112230 is 32211111111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

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, 923665 + ... + 1037004.

It is an arithmetic number, because the mean of its divisors is an integer number (8337749175).

Almost surely, 2^111111112230 is an apocalyptic number.

111111112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111111112230 is an abundant number, since it is smaller than the sum of its proper divisors (155696861370).

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

111111112230 is a wasteful number, since it uses less digits than its factorization.

111111112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962568.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 111111112230 its reverse (32211111111), we get a palindrome (143322223341).

The spelling of 111111112230 in words is "one hundred eleven billion, one hundred eleven million, one hundred twelve thousand, two hundred thirty".