111200000220 has 36 divisors (see below), whose sum is σ = 337306667880. Its totient is φ = 29653333344.

The previous prime is 111200000189. The next prime is 111200000227. The reversal of 111200000220 is 22000002111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200000227) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 308888710 + ... + 308889069.

Almost surely, 2^111200000220 is an apocalyptic number.

111200000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200000220 is an abundant number, since it is smaller than the sum of its proper divisors (226106667660).

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

111200000220 is a wasteful number, since it uses less digits than its factorization.

111200000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617777794 (or 617777789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 111200000220 its reverse (22000002111), we get a palindrome (133200002331).

The spelling of 111200000220 in words is "one hundred eleven billion, two hundred million, two hundred twenty", and thus it is an aban number.