11100111001012 has 24 divisors (see below), whose sum is σ = 21191463034560. Its totient is φ = 5045423564160.

The previous prime is 11100111000991. The next prime is 11100111001087. The reversal of 11100111001012 is 21010011100111.

It is a self number, because there is not a number n which added to its sum of digits gives 11100111001012.

It is a congruent number.

It is an unprimeable number.

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, 764433 + ... + 4773319.

It is an arithmetic number, because the mean of its divisors is an integer number (882977626440).

Almost surely, 2^{11100111001012} is an apocalyptic number.

It is an amenable number.

11100111001012 is a deficient number, since it is larger than the sum of its proper divisors (10091352033548).

11100111001012 is a wasteful number, since it uses less digits than its factorization.

11100111001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071831 (or 4071829 counting only the distinct ones).

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

Adding to 11100111001012 its reverse (21010011100111), we get a palindrome (32110122101123).

Subtracting 11100111001012 from its reverse (21010011100111), we obtain a palindrome (9909900099099).

The spelling of 11100111001012 in words is "eleven trillion, one hundred billion, one hundred eleven million, one thousand, twelve".