2001333113109 has 12 divisors (see below), whose sum is σ = 3153615814752. Its totient is φ = 1212929159400.

The previous prime is 2001333113089. The next prime is 2001333113149. The reversal of 2001333113109 is 9013113331002.

2001333113109 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 33 + 311 + 310 + 9 = 666.

It is not a de Polignac number, because 2001333113109 - 2¹¹ = 2001333111061 is a prime.

It is a super-2 number, since 2×2001333113109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001333113149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10107742897 + ... + 10107743094.

It is an arithmetic number, because the mean of its divisors is an integer number (262801317896).

Almost surely, 2^{2001333113109} is an apocalyptic number.

It is an amenable number.

2001333113109 is a deficient number, since it is larger than the sum of its proper divisors (1152282701643).

2001333113109 is a wasteful number, since it uses less digits than its factorization.

2001333113109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215486008 (or 20215486005 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The spelling of 2001333113109 in words is "two trillion, one billion, three hundred thirty-three million, one hundred thirteen thousand, one hundred nine".