111000001201200 has 180 divisors, whose sum is σ = 399467535536888. Its totient is φ = 29600000294400.

The previous prime is 111000001201123. The next prime is 111000001201207. The reversal of 111000001201200 is 2102100000111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (111000001201207) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 570890461 + ... + 571084860.

Almost surely, 2^{111000001201200} is an apocalyptic number.

111000001201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111000001201200 is an abundant number, since it is smaller than the sum of its proper divisors (288467534335688).

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

111000001201200 is a wasteful number, since it uses less digits than its factorization.

111000001201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141975354 (or 1141975331 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111000001201200 its reverse (2102100000111), we get a palindrome (113102101201311).

The spelling of 111000001201200 in words is "one hundred eleven trillion, one million, two hundred one thousand, two hundred".