11111232230 has 32 divisors (see below), whose sum is σ = 23244814080. Its totient is φ = 3744995040.

The previous prime is 11111232227. The next prime is 11111232241. The reversal of 11111232230 is 3223211111.

It is a junction number, because it is equal to n+sod(n) for n = 11111232199 and 11111232208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341056 + ... + 1349315.

It is an arithmetic number, because the mean of its divisors is an integer number (726400440).

Almost surely, 2^11111232230 is an apocalyptic number.

11111232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111232230 is an abundant number, since it is smaller than the sum of its proper divisors (12133581850).

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

11111232230 is a wasteful number, since it uses less digits than its factorization.

11111232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690444.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11111232230 its reverse (3223211111), we get a palindrome (14334443341).

The spelling of 11111232230 in words is "eleven billion, one hundred eleven million, two hundred thirty-two thousand, two hundred thirty".