111120001001200 has 60 divisors (see below), whose sum is σ = 268757519344200. Its totient is φ = 44149691649280.

The previous prime is 111120001001189. The next prime is 111120001001209. The reversal of 111120001001200 is 2100100021111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120001001209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 932155174 + ... + 932274373.

It is an arithmetic number, because the mean of its divisors is an integer number (4479291989070).

Almost surely, 2^{111120001001200} is an apocalyptic number.

111120001001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120001001200 is an abundant number, since it is smaller than the sum of its proper divisors (157637518343000).

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

111120001001200 is a wasteful number, since it uses less digits than its factorization.

111120001001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864429714 (or 1864429703 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111120001001200 its reverse (2100100021111), we get a palindrome (113220101022311).

The spelling of 111120001001200 in words is "one hundred eleven trillion, one hundred twenty billion, one million, one thousand, two hundred".