111001201221200 has 60 divisors (see below), whose sum is σ = 266701531304160. Its totient is φ = 44396959927680.

The previous prime is 111001201221199. The next prime is 111001201221247. The reversal of 111001201221200 is 2122102100111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5947844 + ... + 16043043.

It is an arithmetic number, because the mean of its divisors is an integer number (4445025521736).

Almost surely, 2^{111001201221200} is an apocalyptic number.

111001201221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001201221200 is an abundant number, since it is smaller than the sum of its proper divisors (155700330082960).

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

111001201221200 is a wasteful number, since it uses less digits than its factorization.

111001201221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22003524 (or 22003513 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111001201221200 its reverse (2122102100111), we get a palindrome (113123303321311).

The spelling of 111001201221200 in words is "one hundred eleven trillion, one billion, two hundred one million, two hundred twenty-one thousand, two hundred".