111012201111000 has 128 divisors (see below), whose sum is σ = 395837791464960. Its totient is φ = 25374217392000.

The previous prime is 111012201110983. The next prime is 111012201111001. The reversal of 111012201111000 is 111102210111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012201111001) 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 31 ways as a sum of consecutive naturals, for example, 2643126646 + ... + 2643168645.

It is an arithmetic number, because the mean of its divisors is an integer number (3092482745820).

Almost surely, 2^{111012201111000} is an apocalyptic number.

111012201111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012201111000 is an abundant number, since it is smaller than the sum of its proper divisors (284825590353960).

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

111012201111000 is a wasteful number, since it uses less digits than its factorization.

111012201111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286295322 (or 5286295308 counting only the distinct ones).

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

Adding to 111012201111000 its reverse (111102210111), we get a palindrome (111123303321111).

The spelling of 111012201111000 in words is "one hundred eleven trillion, twelve billion, two hundred one million, one hundred eleven thousand".