2112748234321 has 2 divisors, whose sum is σ = 2112748234322. Its totient is φ = 2112748234320.

The previous prime is 2112748234279. The next prime is 2112748234459. The reversal of 2112748234321 is 1234328472112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2052239614096 + 60508620225 = 1432564^2 + 245985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112748234321 - 2¹⁹ = 2112747710033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112748234921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056374117160 + 1056374117161.

It is an arithmetic number, because the mean of its divisors is an integer number (1056374117161).

Almost surely, 2^{2112748234321} is an apocalyptic number.

It is an amenable number.

2112748234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112748234321 is an equidigital number, since it uses as much as digits as its factorization.

2112748234321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The spelling of 2112748234321 in words is "two trillion, one hundred twelve billion, seven hundred forty-eight million, two hundred thirty-four thousand, three hundred twenty-one".