2002001111 has 16 divisors (see below), whose sum is σ = 2257514496. Its totient is φ = 1758900000.

The previous prime is 2002001059. The next prime is 2002001117. The reversal of 2002001111 is 1111002002.

It is not a de Polignac number, because 2002001111 - 2³⁰ = 928259287 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 (2002001117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276386 + ... + 283536.

It is an arithmetic number, because the mean of its divisors is an integer number (141094656).

Almost surely, 2^2002001111 is an apocalyptic number.

2002001111 is a deficient number, since it is larger than the sum of its proper divisors (255513385).

2002001111 is a wasteful number, since it uses less digits than its factorization.

2002001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2002001111 is about 44743.7270575441. The cubic root of 2002001111 is about 1260.3411168046.

Adding to 2002001111 its reverse (1111002002), we get a palindrome (3113003113).

The spelling of 2002001111 in words is "two billion, two million, one thousand, one hundred eleven".