2003042023111 has 4 divisors (see below), whose sum is σ = 2016307202224. Its totient is φ = 1989776844000.

The previous prime is 2003042023091. The next prime is 2003042023121. The reversal of 2003042023111 is 1113202403002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003042023111 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 (2003042023121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6632589330 + ... + 6632589631.

It is an arithmetic number, because the mean of its divisors is an integer number (504076800556).

Almost surely, 2^{2003042023111} is an apocalyptic number.

2003042023111 is a deficient number, since it is larger than the sum of its proper divisors (13265179113).

2003042023111 is a wasteful number, since it uses less digits than its factorization.

2003042023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13265179112.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2003042023111 its reverse (1113202403002), we get a palindrome (3116244426113).

The spelling of 2003042023111 in words is "two trillion, three billion, forty-two million, twenty-three thousand, one hundred eleven".