111000221011200 has 216 divisors, whose sum is σ = 367237405676736. Its totient is φ = 29526241280000.

The previous prime is 111000221011157. The next prime is 111000221011237. The reversal of 111000221011200 is 2110122000111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490645 + ... + 14907755.

Almost surely, 2^{111000221011200} is an apocalyptic number.

111000221011200 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 111000221011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183618702838368).

111000221011200 is an abundant number, since it is smaller than the sum of its proper divisors (256237184665536).

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

111000221011200 is a wasteful number, since it uses less digits than its factorization.

111000221011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14417541 (or 14417522 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111000221011200 its reverse (2110122000111), we get a palindrome (113110343011311).

The spelling of 111000221011200 in words is "one hundred eleven trillion, two hundred twenty-one million, eleven thousand, two hundred".