2001211011303 has 24 divisors (see below), whose sum is σ = 3204045550080. Its totient is φ = 1106660464560.

The previous prime is 2001211011281. The next prime is 2001211011377. The reversal of 2001211011303 is 3031101121002.

It is a happy number.

It is not a de Polignac number, because 2001211011303 - 2¹² = 2001211007207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001211011103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219570933 + ... + 219580046.

It is an arithmetic number, because the mean of its divisors is an integer number (133501897920).

Almost surely, 2^{2001211011303} is an apocalyptic number.

2001211011303 is a deficient number, since it is larger than the sum of its proper divisors (1202834538777).

2001211011303 is a wasteful number, since it uses less digits than its factorization.

2001211011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439151027 (or 439151020 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2001211011303 its reverse (3031101121002), we get a palindrome (5032312132305).

The spelling of 2001211011303 in words is "two trillion, one billion, two hundred eleven million, eleven thousand, three hundred three".