1111111011112 has 16 divisors (see below), whose sum is σ = 2083866435360. Its totient is φ = 555413295024.

The previous prime is 1111111011079. The next prime is 1111111011161. The reversal of 1111111011112 is 2111101111111.

It is a junction number, because it is equal to n+sod(n) for n = 1111111011092 and 1111111011101.

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, 17743108 + ... + 17805619.

It is an arithmetic number, because the mean of its divisors is an integer number (130241652210).

Almost surely, 2^{1111111011112} is an apocalyptic number.

It is an amenable number.

1111111011112 is a deficient number, since it is larger than the sum of its proper divisors (972755424248).

1111111011112 is a wasteful number, since it uses less digits than its factorization.

1111111011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35552640 (or 35552636 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 1111111011112 its reverse (2111101111111), we get a palindrome (3222212122223).

Subtracting 1111111011112 from its reverse (2111101111111), we obtain a palindrome (999990099999).

The spelling of 1111111011112 in words is "one trillion, one hundred eleven billion, one hundred eleven million, eleven thousand, one hundred twelve".