111011201000000 has 196 divisors, whose sum is σ = 314692923129024. Its totient is φ = 38060980800000.

The previous prime is 111011200999913. The next prime is 111011201000093. The reversal of 111011201000000 is 102110111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

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 27 ways as a sum of consecutive naturals, for example, 929372 + ... + 14929371.

Almost surely, 2^{111011201000000} is an apocalyptic number.

111011201000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111011201000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157346461564512).

111011201000000 is an abundant number, since it is smaller than the sum of its proper divisors (203681722129024).

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

111011201000000 is an frugal number, since it uses more digits than its factorization.

111011201000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858792 (or 15858757 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111011201000000 its reverse (102110111), we get a palindrome (111011303110111).

The spelling of 111011201000000 in words is "one hundred eleven trillion, eleven billion, two hundred one million", and thus it is an aban number.