111200010220 has 96 divisors (see below), whose sum is σ = 254179981440. Its totient is φ = 40619335680.

The previous prime is 111200010209. The next prime is 111200010221. The reversal of 111200010220 is 22010002111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 111200010197 and 111200010206.

It is not an unprimeable number, because it can be changed into a prime (111200010221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21053980 + ... + 21059260.

It is an arithmetic number, because the mean of its divisors is an integer number (2647708140).

Almost surely, 2^111200010220 is an apocalyptic number.

111200010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111200010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127089990720).

111200010220 is an abundant number, since it is smaller than the sum of its proper divisors (142979971220).

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

111200010220 is a wasteful number, since it uses less digits than its factorization.

111200010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155 (or 6153 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111200010220 its reverse (22010002111), we get a palindrome (133210012331).

The spelling of 111200010220 in words is "one hundred eleven billion, two hundred million, ten thousand, two hundred twenty".