111110122220 has 24 divisors (see below), whose sum is σ = 235641471408. Its totient is φ = 44004008000.

The previous prime is 111110122213. The next prime is 111110122241. The reversal of 111110122220 is 22221011111.

111110122220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111110122195 and 111110122204.

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, 27500486 + ... + 27504525.

It is an arithmetic number, because the mean of its divisors is an integer number (9818394642).

Almost surely, 2^111110122220 is an apocalyptic number.

111110122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111110122220 is an abundant number, since it is smaller than the sum of its proper divisors (124531349188).

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

111110122220 is a wasteful number, since it uses less digits than its factorization.

111110122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005121 (or 55005119 counting only the distinct ones).

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

Adding to 111110122220 its reverse (22221011111), we get a palindrome (133331133331).

The spelling of 111110122220 in words is "one hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty".