11112111120012 has 24 divisors (see below), whose sum is σ = 29632296320256. Its totient is φ = 3174888891408.

The previous prime is 11112111119987. The next prime is 11112111120029. The reversal of 11112111120012 is 21002111121111.

It is a junction number, because it is equal to n+sod(n) for n = 11112111119973 and 11112111120000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66143518488 + ... + 66143518655.

It is an arithmetic number, because the mean of its divisors is an integer number (1234679013344).

Almost surely, 2^{11112111120012} is an apocalyptic number.

11112111120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112111120012 is an abundant number, since it is smaller than the sum of its proper divisors (18520185200244).

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

11112111120012 is a wasteful number, since it uses less digits than its factorization.

11112111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132287037157 (or 132287037155 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11112111120012 its reverse (21002111121111), we get a palindrome (32114222241123).

The spelling of 11112111120012 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, twelve".