2001332001333 has 32 divisors (see below), whose sum is σ = 3086598316032. Its totient is φ = 1129764052800.

The previous prime is 2001332001311. The next prime is 2001332001349. The reversal of 2001332001333 is 3331002331002.

It is not a de Polignac number, because 2001332001333 - 2⁵ = 2001332001301 is a prime.

It is a super-2 number, since 2×2001332001333² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001332002333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35286588 + ... + 35343258.

It is an arithmetic number, because the mean of its divisors is an integer number (96456197376).

Almost surely, 2^{2001332001333} is an apocalyptic number.

It is an amenable number.

2001332001333 is a deficient number, since it is larger than the sum of its proper divisors (1085266314699).

2001332001333 is a wasteful number, since it uses less digits than its factorization.

2001332001333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77025.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 2001332001333 its reverse (3331002331002), we get a palindrome (5332334332335).

The spelling of 2001332001333 in words is "two trillion, one billion, three hundred thirty-two million, one thousand, three hundred thirty-three".