11101111110012 has 192 divisors, whose sum is σ = 34038071424000. Its totient is φ = 2731449477120.

The previous prime is 11101111109999. The next prime is 11101111110017. The reversal of 11101111110012 is 21001111110111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11101111110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101111110017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2488137 + ... + 5328512.

It is an arithmetic number, because the mean of its divisors is an integer number (177281622000).

Almost surely, 2^{11101111110012} is an apocalyptic number.

11101111110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101111110012 is an abundant number, since it is smaller than the sum of its proper divisors (22936960313988).

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

11101111110012 is a wasteful number, since it uses less digits than its factorization.

11101111110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816756 (or 7816754 counting only the distinct ones).

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

Adding to 11101111110012 its reverse (21001111110111), we get a palindrome (32102222220123).

Subtracting 11101111110012 from its reverse (21001111110111), we obtain a palindrome (9900000000099).

The spelling of 11101111110012 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred ten thousand, twelve".