111222020200 has 72 divisors (see below), whose sum is σ = 265052932290. Its totient is φ = 43403584000.

The previous prime is 111222020183. The next prime is 111222020201. The reversal of 111222020200 is 2020222111.

It is a happy number.

111222020200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 337016164 + 110885004036 = 18358^2 + 332994^2 .

It is not an unprimeable number, because it can be changed into a prime (111222020201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 170790 + ... + 501610.

Almost surely, 2^111222020200 is an apocalyptic number.

111222020200 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 111222020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132526466145).

111222020200 is an abundant number, since it is smaller than the sum of its proper divisors (153830912090).

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

111222020200 is a wasteful number, since it uses less digits than its factorization.

111222020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330919 (or 330869 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 111222020200 its reverse (2020222111), we get a palindrome (113242242311).

The spelling of 111222020200 in words is "one hundred eleven billion, two hundred twenty-two million, twenty thousand, two hundred".