111220334120 has 32 divisors (see below), whose sum is σ = 285995145600. Its totient is φ = 38132685888.

The previous prime is 111220334117. The next prime is 111220334153. The reversal of 111220334120 is 21433022111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111220334092 and 111220334101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198607460 + ... + 198608019.

It is an arithmetic number, because the mean of its divisors is an integer number (8937348300).

Almost surely, 2^111220334120 is an apocalyptic number.

111220334120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220334120 is an abundant number, since it is smaller than the sum of its proper divisors (174774811480).

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

111220334120 is a wasteful number, since it uses less digits than its factorization.

111220334120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397215497 (or 397215493 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111220334120 its reverse (21433022111), we get a palindrome (132653356231).

The spelling of 111220334120 in words is "one hundred eleven billion, two hundred twenty million, three hundred thirty-four thousand, one hundred twenty".