2001110992 has 20 divisors (see below), whose sum is σ = 3880981636. Its totient is φ = 999567360.

The previous prime is 2001110957. The next prime is 2001110999. The reversal of 2001110992 is 2990111002.

It can be written as a sum of positive squares in 2 ways, for example, as 1020419136 + 980691856 = 31944^2 + 31316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001110999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44913 + ... + 77584.

Almost surely, 2^2001110992 is an apocalyptic number.

It is an amenable number.

2001110992 is a deficient number, since it is larger than the sum of its proper divisors (1879870644).

2001110992 is a wasteful number, since it uses less digits than its factorization.

2001110992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123526 (or 123520 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 2001110992 is about 44733.7790936558. The cubic root of 2001110992 is about 1260.1543004115.

Adding to 2001110992 its reverse (2990111002), we get a palindrome (4991221994).

The spelling of 2001110992 in words is "two billion, one million, one hundred ten thousand, nine hundred ninety-two".