2001119100 has 72 divisors (see below), whose sum is σ = 5946421488. Its totient is φ = 519206400.

The previous prime is 2001119093. The next prime is 2001119111. The reversal of 2001119100 is 19111002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2001119100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79041 + ... + 101240.

Almost surely, 2^2001119100 is an apocalyptic number.

2001119100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001119100 is an abundant number, since it is smaller than the sum of its proper divisors (3945302388).

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

2001119100 is a wasteful number, since it uses less digits than its factorization.

2001119100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180335 (or 180328 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 2001119100 is about 44733.8697185924. The cubic root of 2001119100 is about 1260.1560023523.

The spelling of 2001119100 in words is "two billion, one million, one hundred nineteen thousand, one hundred".