2212132112321 has 2 divisors, whose sum is σ = 2212132112322. Its totient is φ = 2212132112320.

The previous prime is 2212132112293. The next prime is 2212132112339. The reversal of 2212132112321 is 1232112312122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1563400129600 + 648731982721 = 1250360^2 + 805439^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212132112321 - 2¹⁰ = 2212132111297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212132112621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106066056160 + 1106066056161.

It is an arithmetic number, because the mean of its divisors is an integer number (1106066056161).

Almost surely, 2^{2212132112321} is an apocalyptic number.

It is an amenable number.

2212132112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212132112321 is an equidigital number, since it uses as much as digits as its factorization.

2212132112321 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2212132112321 its reverse (1232112312122), we get a palindrome (3444244424443).

The spelling of 2212132112321 in words is "two trillion, two hundred twelve billion, one hundred thirty-two million, one hundred twelve thousand, three hundred twenty-one".