2001092911002 has 48 divisors (see below), whose sum is σ = 4590863320680. Its totient is φ = 627777340416.

The previous prime is 2001092911001. The next prime is 2001092911003. The reversal of 2001092911002 is 2001192901002.

It is an interprime number because it is at equal distance from previous prime (2001092911001) and next prime (2001092911003).

It can be written as a sum of positive squares in 4 ways, for example, as 1727960201361 + 273132709641 = 1314519^2 + 522621^2 .

It is not an unprimeable number, because it can be changed into a prime (2001092911001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17296524 + ... + 17411832.

Almost surely, 2^{2001092911002} is an apocalyptic number.

2001092911002 is an abundant number, since it is smaller than the sum of its proper divisors (2589770409678).

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

2001092911002 is a wasteful number, since it uses less digits than its factorization.

2001092911002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172047 (or 172044 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 2001092911002 in words is "two trillion, one billion, ninety-two million, nine hundred eleven thousand, two".