2000991211 has 4 divisors (see below), whose sum is σ = 2002155624. Its totient is φ = 1999826800.

The previous prime is 2000991199. The next prime is 2000991217. The reversal of 2000991211 is 1121990002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2000991211 - 2²³ = 1992602603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000991217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 579625 + ... + 583066.

It is an arithmetic number, because the mean of its divisors is an integer number (500538906).

Almost surely, 2^2000991211 is an apocalyptic number.

2000991211 is a deficient number, since it is larger than the sum of its proper divisors (1164413).

2000991211 is a wasteful number, since it uses less digits than its factorization.

2000991211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164412.

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

The square root of 2000991211 is about 44732.4402531317. The cubic root of 2000991211 is about 1260.1291567863.

The spelling of 2000991211 in words is "two billion, nine hundred ninety-one thousand, two hundred eleven".