11111101100112 has 80 divisors (see below), whose sum is σ = 30922062680768. Its totient is φ = 3417649044480.

The previous prime is 11111101100111. The next prime is 11111101100149. The reversal of 11111101100112 is 21100110111111.

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 (11111101100111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1142773 + ... + 4850580.

Almost surely, 2^{11111101100112} is an apocalyptic number.

11111101100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111101100112 is an abundant number, since it is smaller than the sum of its proper divisors (19810961580656).

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

11111101100112 is a wasteful number, since it uses less digits than its factorization.

11111101100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996348 (or 5996342 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11111101100112 its reverse (21100110111111), we get a palindrome (32211211211223).

The spelling of 11111101100112 in words is "eleven trillion, one hundred eleven billion, one hundred one million, one hundred thousand, one hundred twelve".