1111110111112 has 16 divisors (see below), whose sum is σ = 2083354528860. Its totient is φ = 555548903424.

The previous prime is 1111110111103. The next prime is 1111110111169. The reversal of 1111110111112 is 2111110111111.

It can be written as a sum of positive squares in 2 ways, for example, as 1027129548676 + 83980562436 = 1013474^2 + 289794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111110111092 and 1111110111101.

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, 49848 + ... + 1491544.

Almost surely, 2^{1111110111112} is an apocalyptic number.

It is an amenable number.

1111110111112 is a deficient number, since it is larger than the sum of its proper divisors (972244417748).

1111110111112 is a wasteful number, since it uses less digits than its factorization.

1111110111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538040 (or 1538036 counting only the distinct ones).

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

Adding to 1111110111112 its reverse (2111110111111), we get a palindrome (3222220222223).

Subtracting 1111110111112 from its reverse (2111110111111), we obtain a palindrome (999999999999).

The spelling of 1111110111112 in words is "one trillion, one hundred eleven billion, one hundred ten million, one hundred eleven thousand, one hundred twelve".