111120220200220 has 96 divisors (see below), whose sum is σ = 297123002910720. Its totient is φ = 33897961597440.

The previous prime is 111120220200137. The next prime is 111120220200289. The reversal of 111120220200220 is 22002022021111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111120220200194 and 111120220200203.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 767544505 + ... + 767689264.

It is an arithmetic number, because the mean of its divisors is an integer number (3095031280320).

Almost surely, 2^{111120220200220} is an apocalyptic number.

111120220200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120220200220 is an abundant number, since it is smaller than the sum of its proper divisors (186002782710500).

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

111120220200220 is a wasteful number, since it uses less digits than its factorization.

111120220200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535233843 (or 1535233841 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111120220200220 its reverse (22002022021111), we get a palindrome (133122242221331).

The spelling of 111120220200220 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty million, two hundred thousand, two hundred twenty".