111222100220112 has 240 divisors, whose sum is σ = 377745212437632. Its totient is φ = 29822270791680.

The previous prime is 111222100219963. The next prime is 111222100220117. The reversal of 111222100220112 is 211022001222111.

111222100220112 is a `hidden beast` number, since 1 + 1 + 122 + 210 + 0 + 220 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222100220117) 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 47 ways as a sum of consecutive naturals, for example, 3406189 + ... + 15298572.

Almost surely, 2^{111222100220112} is an apocalyptic number.

111222100220112 is a gapful number since it is divisible by the number (12) 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 111222100220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188872606218816).

111222100220112 is an abundant number, since it is smaller than the sum of its proper divisors (266523112217520).

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

111222100220112 is a wasteful number, since it uses less digits than its factorization.

111222100220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705146 (or 18705137 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111222100220112 its reverse (211022001222111), we get a palindrome (322244101442223).

The spelling of 111222100220112 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred million, two hundred twenty thousand, one hundred twelve".