111101200100000 has 144 divisors (see below), whose sum is σ = 298249760606112. Its totient is φ = 40400436000000.

The previous prime is 111101200099999. The next prime is 111101200100003. The reversal of 111101200100000 is 1002101111.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (111101200100003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49400546 + ... + 51600545.

It is an arithmetic number, because the mean of its divisors is an integer number (2071178893098).

Almost surely, 2^{111101200100000} is an apocalyptic number.

111101200100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101200100000 is an abundant number, since it is smaller than the sum of its proper divisors (187148560506112).

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

111101200100000 is an equidigital number, since it uses as much as digits as its factorization.

111101200100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101001137 (or 101001109 counting only the distinct ones).

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

Adding to 111101200100000 its reverse (1002101111), we get a palindrome (111102202201111).

The spelling of 111101200100000 in words is "one hundred eleven trillion, one hundred one billion, two hundred million, one hundred thousand".