11001111100012 has 24 divisors (see below), whose sum is σ = 21006684280512. Its totient is φ = 4999418595600.

The previous prime is 11001111099919. The next prime is 11001111100013. The reversal of 11001111100012 is 21000111110011.

It is not an unprimeable number, because it can be changed into a prime (11001111100013) 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 7 ways as a sum of consecutive naturals, for example, 26956414 + ... + 27361477.

It is an arithmetic number, because the mean of its divisors is an integer number (875278511688).

Almost surely, 2^{11001111100012} is an apocalyptic number.

It is an amenable number.

11001111100012 is a deficient number, since it is larger than the sum of its proper divisors (10005573180500).

11001111100012 is a wasteful number, since it uses less digits than its factorization.

11001111100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54322509 (or 54322507 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11001111100012 its reverse (21000111110011), we get a palindrome (32001222210023).

Subtracting 11001111100012 from its reverse (21000111110011), we obtain a palindrome (9999000009999).

The spelling of 11001111100012 in words is "eleven trillion, one billion, one hundred eleven million, one hundred thousand, twelve".