2001333113111 has 8 divisors (see below), whose sum is σ = 2137129910400. Its totient is φ = 1869988669920.

The previous prime is 2001333113089. The next prime is 2001333113149. The reversal of 2001333113111 is 1113113331002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001333113111 - 2⁶ = 2001333113047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001333113411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113087596 + ... + 1113089393.

It is an arithmetic number, because the mean of its divisors is an integer number (267141238800).

Almost surely, 2^{2001333113111} is an apocalyptic number.

2001333113111 is a deficient number, since it is larger than the sum of its proper divisors (135796797289).

2001333113111 is a wasteful number, since it uses less digits than its factorization.

2001333113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226177049.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 2001333113111 its reverse (1113113331002), we get a palindrome (3114446444113).

The spelling of 2001333113111 in words is "two trillion, one billion, three hundred thirty-three million, one hundred thirteen thousand, one hundred eleven".