111222201200 has 60 divisors (see below), whose sum is σ = 291503289768. Its totient is φ = 40444435200.

The previous prime is 111222201173. The next prime is 111222201221. The reversal of 111222201200 is 2102222111.

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 11 ways as a sum of consecutive naturals, for example, 12634487 + ... + 12643286.

Almost surely, 2^111222201200 is an apocalyptic number.

111222201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222201200 is an abundant number, since it is smaller than the sum of its proper divisors (180281088568).

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

111222201200 is a wasteful number, since it uses less digits than its factorization.

111222201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25277802 (or 25277791 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111222201200 its reverse (2102222111), we get a palindrome (113324423311).

The spelling of 111222201200 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred one thousand, two hundred".