111122110220 has 48 divisors (see below), whose sum is σ = 255242534400. Its totient is φ = 40301392320.

The previous prime is 111122110219. The next prime is 111122110237. The reversal of 111122110220 is 22011221111.

It is a junction number, because it is equal to n+sod(n) for n = 111122110195 and 111122110204.

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, 582980 + ... + 749739.

It is an arithmetic number, because the mean of its divisors is an integer number (5317552800).

Almost surely, 2^111122110220 is an apocalyptic number.

111122110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122110220 is an abundant number, since it is smaller than the sum of its proper divisors (144120424180).

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

111122110220 is a wasteful number, since it uses less digits than its factorization.

111122110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333118 (or 1333116 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111122110220 its reverse (22011221111), we get a palindrome (133133331331).

The spelling of 111122110220 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty".