111200020220 has 24 divisors (see below), whose sum is σ = 247256516304. Its totient is φ = 41863536896.

The previous prime is 111200020213. The next prime is 111200020279. The reversal of 111200020220 is 22020002111.

It is a happy number.

111200020220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163529102 + ... + 163529781.

It is an arithmetic number, because the mean of its divisors is an integer number (10302354846).

Almost surely, 2^111200020220 is an apocalyptic number.

111200020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200020220 is an abundant number, since it is smaller than the sum of its proper divisors (136056496084).

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

111200020220 is a wasteful number, since it uses less digits than its factorization.

111200020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327058909 (or 327058907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 111200020220 its reverse (22020002111), we get a palindrome (133220022331).

The spelling of 111200020220 in words is "one hundred eleven billion, two hundred million, twenty thousand, two hundred twenty".