11101100120000 has 140 divisors (see below), whose sum is σ = 30029587124856. Its totient is φ = 4036763520000.

The previous prime is 11101100119997. The next prime is 11101100120029. The reversal of 11101100120000 is 2100110111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11101100120000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12174887 + ... + 13054886.

Almost surely, 2^{11101100120000} is an apocalyptic number.

11101100120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101100120000 is an abundant number, since it is smaller than the sum of its proper divisors (18928487004856).

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

11101100120000 is an equidigital number, since it uses as much as digits as its factorization.

11101100120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25229816 (or 25229791 counting only the distinct ones).

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

Adding to 11101100120000 its reverse (2100110111), we get a palindrome (11103200230111).

The spelling of 11101100120000 in words is "eleven trillion, one hundred one billion, one hundred million, one hundred twenty thousand".