111334234220 has 24 divisors (see below), whose sum is σ = 255056609808. Its totient is φ = 40485176000.

The previous prime is 111334234213. The next prime is 111334234247. The reversal of 111334234220 is 22432433111.

It is a self number, because there is not a number n which added to its sum of digits gives 111334234220.

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 7 ways as a sum of consecutive naturals, for example, 253032131 + ... + 253032570.

It is an arithmetic number, because the mean of its divisors is an integer number (10627358742).

Almost surely, 2^111334234220 is an apocalyptic number.

111334234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111334234220 is an abundant number, since it is smaller than the sum of its proper divisors (143722375588).

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

111334234220 is a wasteful number, since it uses less digits than its factorization.

111334234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506064721 (or 506064719 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 111334234220 its reverse (22432433111), we get a palindrome (133766667331).

The spelling of 111334234220 in words is "one hundred eleven billion, three hundred thirty-four million, two hundred thirty-four thousand, two hundred twenty".