111110112001200 has 120 divisors (see below), whose sum is σ = 383301396685648. Its totient is φ = 27350181411840.

The previous prime is 111110112001171. The next prime is 111110112001211. The reversal of 111110112001200 is 2100211011111.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3561205939 + ... + 3561237138.

Almost surely, 2^{111110112001200} is an apocalyptic number.

111110112001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111110112001200 is an abundant number, since it is smaller than the sum of its proper divisors (272191284684448).

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

111110112001200 is a wasteful number, since it uses less digits than its factorization.

111110112001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122443111 (or 7122443100 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111110112001200 its reverse (2100211011111), we get a palindrome (113210323012311).

The spelling of 111110112001200 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twelve million, one thousand, two hundred".