1001001001112 has 16 divisors (see below), whose sum is σ = 2145002145360. Its totient is φ = 429000429024.

The previous prime is 1001001001103. The next prime is 1001001001151. The reversal of 1001001001112 is 2111001001001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1001001001112.

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, 8937508883 + ... + 8937508994.

It is an arithmetic number, because the mean of its divisors is an integer number (134062634085).

Almost surely, 2^{1001001001112} is an apocalyptic number.

It is an amenable number.

1001001001112 is an abundant number, since it is smaller than the sum of its proper divisors (1144001144248).

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

1001001001112 is a wasteful number, since it uses less digits than its factorization.

1001001001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875017890 (or 17875017886 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001001001112 its reverse (2111001001001), we get a palindrome (3112002002113).

The spelling of 1001001001112 in words is "one trillion, one billion, one million, one thousand, one hundred twelve".