11112112230 has 32 divisors (see below), whose sum is σ = 26683458048. Its totient is φ = 2961631200.

The previous prime is 11112112201. The next prime is 11112112279. The reversal of 11112112230 is 3221121111.

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

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, 42856 + ... + 155115.

It is an arithmetic number, because the mean of its divisors is an integer number (833858064).

Almost surely, 2^11112112230 is an apocalyptic number.

11112112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112112230 is an abundant number, since it is smaller than the sum of its proper divisors (15571345818).

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

11112112230 is a wasteful number, since it uses less digits than its factorization.

11112112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199852.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11112112230 its reverse (3221121111), we get a palindrome (14333233341).

The spelling of 11112112230 in words is "eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred thirty".