2111331321113 has 16 divisors (see below), whose sum is σ = 2463857239680. Its totient is φ = 1771681631616.

The previous prime is 2111331321091. The next prime is 2111331321133. The reversal of 2111331321113 is 3111231331112.

It is a cyclic number.

It is not a de Polignac number, because 2111331321113 - 2²⁶ = 2111264212249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111331321133) 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, 6056843 + ... + 6395936.

It is an arithmetic number, because the mean of its divisors is an integer number (153991077480).

Almost surely, 2^{2111331321113} is an apocalyptic number.

It is an amenable number.

2111331321113 is a deficient number, since it is larger than the sum of its proper divisors (352525918567).

2111331321113 is a wasteful number, since it uses less digits than its factorization.

2111331321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12453296.

The product of its digits is 324, while the sum is 23.

Adding to 2111331321113 its reverse (3111231331112), we get a palindrome (5222562652225).

Subtracting 2111331321113 from its reverse (3111231331112), we obtain a palindrome (999900009999).

The spelling of 2111331321113 in words is "two trillion, one hundred eleven billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred thirteen".