2001213313133 has 4 divisors (see below), whose sum is σ = 2010029231040. Its totient is φ = 1992397395228.

The previous prime is 2001213313123. The next prime is 2001213313147. The reversal of 2001213313133 is 3313133121002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2001213313133 - 2¹⁶ = 2001213247597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001213313099 and 2001213313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001213313123) 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 3 ways as a sum of consecutive naturals, for example, 4407958613 + ... + 4407959066.

It is an arithmetic number, because the mean of its divisors is an integer number (502507307760).

Almost surely, 2^{2001213313133} is an apocalyptic number.

It is an amenable number.

2001213313133 is a deficient number, since it is larger than the sum of its proper divisors (8815917907).

2001213313133 is an equidigital number, since it uses as much as digits as its factorization.

2001213313133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815917906.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2001213313133 its reverse (3313133121002), we get a palindrome (5314346434135).

The spelling of 2001213313133 in words is "two trillion, one billion, two hundred thirteen million, three hundred thirteen thousand, one hundred thirty-three".