111203230230 has 24 divisors (see below), whose sum is σ = 289128398832. Its totient is φ = 29654194704.

The previous prime is 111203230223. The next prime is 111203230247. The reversal of 111203230230 is 32032302111.

111203230230 is a `hidden beast` number, since 1 + 1 + 1 + 203 + 230 + 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617795634 + ... + 617795813.

It is an arithmetic number, because the mean of its divisors is an integer number (12047016618).

Almost surely, 2^111203230230 is an apocalyptic number.

111203230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111203230230 is an abundant number, since it is smaller than the sum of its proper divisors (177925168602).

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

111203230230 is a wasteful number, since it uses less digits than its factorization.

111203230230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235591460 (or 1235591457 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 111203230230 its reverse (32032302111), we get a palindrome (143235532341).

The spelling of 111203230230 in words is "one hundred eleven billion, two hundred three million, two hundred thirty thousand, two hundred thirty".