111212230 has 8 divisors (see below), whose sum is σ = 200182032. Its totient is φ = 44484888.

The previous prime is 111212203. The next prime is 111212239. The reversal of 111212230 is 32212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111212230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560602 + ... + 5560621.

It is an arithmetic number, because the mean of its divisors is an integer number (25022754).

Almost surely, 2^111212230 is an apocalyptic number.

111212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111212230 is a deficient number, since it is larger than the sum of its proper divisors (88969802).

111212230 is a wasteful number, since it uses less digits than its factorization.

111212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121230.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111212230 is about 10545.7209331558. The cubic root of 111212230 is about 480.8956512244.

Adding to 111212230 its reverse (32212111), we get a palindrome (143424341).

The spelling of 111212230 in words is "one hundred eleven million, two hundred twelve thousand, two hundred thirty".