111020221200200 has 144 divisors (see below), whose sum is σ = 279515493546480. Its totient is φ = 40990528500480.

The previous prime is 111020221200181. The next prime is 111020221200271. The reversal of 111020221200200 is 2002122020111.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1283917367 + ... + 1284003833.

It is an arithmetic number, because the mean of its divisors is an integer number (1941079816295).

Almost surely, 2^{111020221200200} is an apocalyptic number.

111020221200200 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 111020221200200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139757746773240).

111020221200200 is an abundant number, since it is smaller than the sum of its proper divisors (168495272346280).

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

111020221200200 is a wasteful number, since it uses less digits than its factorization.

111020221200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124496 (or 124474 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111020221200200 its reverse (2002122020111), we get a palindrome (113022343220311).

The spelling of 111020221200200 in words is "one hundred eleven trillion, twenty billion, two hundred twenty-one million, two hundred thousand, two hundred".