2111311321304 has 32 divisors (see below), whose sum is σ = 3998079714720. Its totient is φ = 1045161536256.

The previous prime is 2111311321303. The next prime is 2111311321349. The reversal of 2111311321304 is 4031231131112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111311321304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111311321303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242582 + ... + 3838874.

It is an arithmetic number, because the mean of its divisors is an integer number (124939991085).

Almost surely, 2^{2111311321304} is an apocalyptic number.

It is an amenable number.

2111311321304 is a deficient number, since it is larger than the sum of its proper divisors (1886768393416).

2111311321304 is a wasteful number, since it uses less digits than its factorization.

2111311321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600699 (or 600695 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 2111311321304 its reverse (4031231131112), we get a palindrome (6142542452416).

The spelling of 2111311321304 in words is "two trillion, one hundred eleven billion, three hundred eleven million, three hundred twenty-one thousand, three hundred four".