111111010010200 has 192 divisors, whose sum is σ = 264871047168000. Its totient is φ = 43332216560640.

The previous prime is 111111010010197. The next prime is 111111010010201. The reversal of 111111010010200 is 2010010111111.

111111010010200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111010010201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5033786364 + ... + 5033808436.

It is an arithmetic number, because the mean of its divisors is an integer number (1379536704000).

Almost surely, 2^{111111010010200} is an apocalyptic number.

111111010010200 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 111111010010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132435523584000).

111111010010200 is an abundant number, since it is smaller than the sum of its proper divisors (153760037157800).

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

111111010010200 is a wasteful number, since it uses less digits than its factorization.

111111010010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25634 (or 25625 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111111010010200 its reverse (2010010111111), we get a palindrome (113121020121311).

The spelling of 111111010010200 in words is "one hundred eleven trillion, one hundred eleven billion, ten million, ten thousand, two hundred".