111112200222100 has 288 divisors, whose sum is σ = 308580849561600. Its totient is φ = 34424975088000.

The previous prime is 111112200222047. The next prime is 111112200222109. The reversal of 111112200222100 is 1222002211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112200222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62127385 + ... + 63890815.

It is an arithmetic number, because the mean of its divisors is an integer number (1071461283200).

Almost surely, 2^{111112200222100} is an apocalyptic number.

111112200222100 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 111112200222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154290424780800).

111112200222100 is an abundant number, since it is smaller than the sum of its proper divisors (197468649339500).

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

111112200222100 is a wasteful number, since it uses less digits than its factorization.

111112200222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763644 (or 1763623 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111112200222100 its reverse (1222002211111), we get a palindrome (112334202433211).

The spelling of 111112200222100 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred million, two hundred twenty-two thousand, one hundred".