2112324121013 has 2 divisors, whose sum is σ = 2112324121014. Its totient is φ = 2112324121012.

The previous prime is 2112324121009. The next prime is 2112324121051. The reversal of 2112324121013 is 3101214232112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111769895249 + 554225764 = 1453193^2 + 23542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112324121013 - 2² = 2112324121009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112324121013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112324126013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056162060506 + 1056162060507.

It is an arithmetic number, because the mean of its divisors is an integer number (1056162060507).

Almost surely, 2^{2112324121013} is an apocalyptic number.

It is an amenable number.

2112324121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112324121013 is an equidigital number, since it uses as much as digits as its factorization.

2112324121013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2112324121013 its reverse (3101214232112), we get a palindrome (5213538353125).

The spelling of 2112324121013 in words is "two trillion, one hundred twelve billion, three hundred twenty-four million, one hundred twenty-one thousand, thirteen".