111020022200 has 96 divisors (see below), whose sum is σ = 263272323600. Its totient is φ = 43523650560.

The previous prime is 111020022161. The next prime is 111020022203. The reversal of 111020022200 is 2220020111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020022203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10944731 + ... + 10954869.

Almost surely, 2^111020022200 is an apocalyptic number.

111020022200 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 111020022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131636161800).

111020022200 is an abundant number, since it is smaller than the sum of its proper divisors (152252301400).

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

111020022200 is a wasteful number, since it uses less digits than its factorization.

111020022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11241 (or 11232 counting only the distinct ones).

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

Adding to 111020022200 its reverse (2220020111), we get a palindrome (113240042311).

The spelling of 111020022200 in words is "one hundred eleven billion, twenty million, twenty-two thousand, two hundred".