111011111101112 has 16 divisors (see below), whose sum is σ = 211077464770800. Its totient is φ = 54723787162240.

The previous prime is 111011111101061. The next prime is 111011111101207. The reversal of 111011111101112 is 211101111110111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97721047937 + ... + 97721049072.

It is an arithmetic number, because the mean of its divisors is an integer number (13192341548175).

Almost surely, 2^{111011111101112} is an apocalyptic number.

It is an amenable number.

111011111101112 is a deficient number, since it is larger than the sum of its proper divisors (100066353669688).

111011111101112 is a wasteful number, since it uses less digits than its factorization.

111011111101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195442097086 (or 195442097082 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 14.

Adding to 111011111101112 its reverse (211101111110111), we get a palindrome (322112222211223).

It can be divided in two parts, 11101111110111 and 2, that multiplied together give a palindrome (22202222220222).

The spelling of 111011111101112 in words is "one hundred eleven trillion, eleven billion, one hundred eleven million, one hundred one thousand, one hundred twelve".