11101111100012 has 12 divisors (see below), whose sum is σ = 19496079460536. Its totient is φ = 5530802682720.

The previous prime is 11101111100011. The next prime is 11101111100039. The reversal of 11101111100012 is 21000111110111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11101111099966 and 11101111100002.

It is not an unprimeable number, because it can be changed into a prime (11101111100011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4938215558 + ... + 4938217805.

It is an arithmetic number, because the mean of its divisors is an integer number (1624673288378).

Almost surely, 2^{11101111100012} is an apocalyptic number.

It is an amenable number.

11101111100012 is a deficient number, since it is larger than the sum of its proper divisors (8394968360524).

11101111100012 is a wasteful number, since it uses less digits than its factorization.

11101111100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9876433648 (or 9876433646 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11101111100012 its reverse (21000111110111), we get a palindrome (32101222210123).

The spelling of 11101111100012 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred thousand, twelve".