111213112230 has 144 divisors (see below), whose sum is σ = 326421727632. Its totient is φ = 26231990400.

The previous prime is 111213112229. The next prime is 111213112247. The reversal of 111213112230 is 32211312111.

111213112230 is a `hidden beast` number, since 1 + 1 + 121 + 311 + 2 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 264925 + ... + 540935.

It is an arithmetic number, because the mean of its divisors is an integer number (2266817553).

Almost surely, 2^111213112230 is an apocalyptic number.

111213112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111213112230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163210863816).

111213112230 is an abundant number, since it is smaller than the sum of its proper divisors (215208615402).

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

111213112230 is a wasteful number, since it uses less digits than its factorization.

111213112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276083 (or 276069 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111213112230 its reverse (32211312111), we get a palindrome (143424424341).

The spelling of 111213112230 in words is "one hundred eleven billion, two hundred thirteen million, one hundred twelve thousand, two hundred thirty".