121331120222239 has 2 divisors, whose sum is σ = 121331120222240. Its totient is φ = 121331120222238.

The previous prime is 121331120222129. The next prime is 121331120222267. The reversal of 121331120222239 is 932222021133121.

It is a strong prime.

It is an emirp because it is prime and its reverse (932222021133121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121331120222239 - 2³⁷ = 121193681268767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121331120522239) 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, 60665560111119 + 60665560111120.

It is an arithmetic number, because the mean of its divisors is an integer number (60665560111120).

Almost surely, 2^{121331120222239} is an apocalyptic number.

121331120222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121331120222239 is an equidigital number, since it uses as much as digits as its factorization.

121331120222239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 121331120222239 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred thirty-nine".