111222011200 has 168 divisors, whose sum is σ = 283996912320. Its totient is φ = 42840268800.

The previous prime is 111222011167. The next prime is 111222011213. The reversal of 111222011200 is 2110222111.

It is a super-3 number, since 3×111222011200³ (a number of 34 digits) contains 333 as substring.

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, 4873416 + ... + 4896184.

Almost surely, 2^111222011200 is an apocalyptic number.

111222011200 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 111222011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141998456160).

111222011200 is an abundant number, since it is smaller than the sum of its proper divisors (172774901120).

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

111222011200 is a wasteful number, since it uses less digits than its factorization.

111222011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22905 (or 22890 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111222011200 its reverse (2110222111), we get a palindrome (113332233311).

The spelling of 111222011200 in words is "one hundred eleven billion, two hundred twenty-two million, eleven thousand, two hundred".