111102102001200 has 60 divisors (see below), whose sum is σ = 355897066747688. Its totient is φ = 29627227200000.

The previous prime is 111102102001181. The next prime is 111102102001207. The reversal of 111102102001200 is 2100201201111.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is not an unprimeable number, because it can be changed into a prime (111102102001207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46292541301 + ... + 46292543700.

Almost surely, 2^{111102102001200} is an apocalyptic number.

111102102001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102102001200 is an abundant number, since it is smaller than the sum of its proper divisors (244794964746488).

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

111102102001200 is a wasteful number, since it uses less digits than its factorization.

111102102001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92585085022 (or 92585085011 counting only the distinct ones).

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

Adding to 111102102001200 its reverse (2100201201111), we get a palindrome (113202303202311).

The spelling of 111102102001200 in words is "one hundred eleven trillion, one hundred two billion, one hundred two million, one thousand, two hundred".