2001919291011 has 12 divisors (see below), whose sum is σ = 2895932493792. Its totient is φ = 1332641493456.

The previous prime is 2001919290997. The next prime is 2001919291027. The reversal of 2001919291011 is 1101929191002.

It is not a de Polignac number, because 2001919291011 - 2¹⁷ = 2001919159939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001919291111) 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 11 ways as a sum of consecutive naturals, for example, 164274171 + ... + 164286356.

It is an arithmetic number, because the mean of its divisors is an integer number (241327707816).

Almost surely, 2^{2001919291011} is an apocalyptic number.

2001919291011 is a deficient number, since it is larger than the sum of its proper divisors (894013202781).

2001919291011 is a wasteful number, since it uses less digits than its factorization.

2001919291011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328561210 (or 328561207 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 36.

The spelling of 2001919291011 in words is "two trillion, one billion, nine hundred nineteen million, two hundred ninety-one thousand, eleven".