1000111111012 has 48 divisors (see below), whose sum is σ = 1894231306240. Its totient is φ = 459288620928.

The previous prime is 1000111110953. The next prime is 1000111111031. The reversal of 1000111111012 is 2101111110001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000111111012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19777753 + ... + 19828255.

Almost surely, 2^{1000111111012} is an apocalyptic number.

It is an amenable number.

1000111111012 is a deficient number, since it is larger than the sum of its proper divisors (894120195228).

1000111111012 is a wasteful number, since it uses less digits than its factorization.

1000111111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52412 (or 52410 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1000111111012 its reverse (2101111110001), we get a palindrome (3101222221013).

The spelling of 1000111111012 in words is "one trillion, one hundred eleven million, one hundred eleven thousand, twelve".