2112330401321 has 16 divisors (see below), whose sum is σ = 2427846359040. Its totient is φ = 1800255296400.

The previous prime is 2112330401299. The next prime is 2112330401327. The reversal of 2112330401321 is 1231040332112.

It is a cyclic number.

It is not a de Polignac number, because 2112330401321 - 2³⁰ = 2111256659497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112330401327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11879150 + ... + 12055656.

It is an arithmetic number, because the mean of its divisors is an integer number (151740397440).

Almost surely, 2^{2112330401321} is an apocalyptic number.

It is an amenable number.

2112330401321 is a deficient number, since it is larger than the sum of its proper divisors (315515957719).

2112330401321 is a wasteful number, since it uses less digits than its factorization.

2112330401321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186244.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2112330401321 its reverse (1231040332112), we get a palindrome (3343370733433).

The spelling of 2112330401321 in words is "two trillion, one hundred twelve billion, three hundred thirty million, four hundred one thousand, three hundred twenty-one".