111201102200 has 96 divisors (see below), whose sum is σ = 260631756000. Its totient is φ = 44122391040.

The previous prime is 111201102169. The next prime is 111201102211. The reversal of 111201102200 is 2201102111.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13746557 + ... + 13754643.

It is an arithmetic number, because the mean of its divisors is an integer number (2714914125).

Almost surely, 2^111201102200 is an apocalyptic number.

111201102200 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 111201102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130315878000).

111201102200 is an abundant number, since it is smaller than the sum of its proper divisors (149430653800).

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

111201102200 is a wasteful number, since it uses less digits than its factorization.

111201102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649 (or 8640 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111201102200 its reverse (2201102111), we get a palindrome (113402204311).

The spelling of 111201102200 in words is "one hundred eleven billion, two hundred one million, one hundred two thousand, two hundred".