111134112220 has 48 divisors (see below), whose sum is σ = 234818726688. Its totient is φ = 44180225280.

The previous prime is 111134112217. The next prime is 111134112317. The reversal of 111134112220 is 22211431111.

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, 6315354 + ... + 6332926.

It is an arithmetic number, because the mean of its divisors is an integer number (4892056806).

Almost surely, 2^111134112220 is an apocalyptic number.

111134112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111134112220 is an abundant number, since it is smaller than the sum of its proper divisors (123684614468).

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

111134112220 is a wasteful number, since it uses less digits than its factorization.

111134112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19510 (or 19508 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111134112220 its reverse (22211431111), we get a palindrome (133345543331).

The spelling of 111134112220 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred twelve thousand, two hundred twenty".