112120131331321 has 2 divisors, whose sum is σ = 112120131331322. Its totient is φ = 112120131331320.

The previous prime is 112120131331261. The next prime is 112120131331337. The reversal of 112120131331321 is 123133131021211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85394953601721 + 26725177729600 = 9240939^2 + 5169640^2 .

It is a cyclic number.

It is not a de Polignac number, because 112120131331321 - 2⁴¹ = 109921108075769 is a prime.

It is not a weakly prime, because it can be changed into another prime (112120131331361) 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 as a sum of consecutive naturals, namely, 56060065665660 + 56060065665661.

It is an arithmetic number, because the mean of its divisors is an integer number (56060065665661).

Almost surely, 2^{112120131331321} is an apocalyptic number.

It is an amenable number.

112120131331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120131331321 is an equidigital number, since it uses as much as digits as its factorization.

112120131331321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 112120131331321 its reverse (123133131021211), we get a palindrome (235253262352532).

The spelling of 112120131331321 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".