120121210444321 has 2 divisors, whose sum is σ = 120121210444322. Its totient is φ = 120121210444320.

The previous prime is 120121210444303. The next prime is 120121210444337. The reversal of 120121210444321 is 123444012121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112853738013696 + 7267472430625 = 10623264^2 + 2695825^2 .

It is a cyclic number.

It is not a de Polignac number, because 120121210444321 - 2²⁹ = 120120673573409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120121210444321.

It is not a weakly prime, because it can be changed into another prime (120121210444121) 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, 60060605222160 + 60060605222161.

It is an arithmetic number, because the mean of its divisors is an integer number (60060605222161).

Almost surely, 2^{120121210444321} is an apocalyptic number.

It is an amenable number.

120121210444321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121210444321 is an equidigital number, since it uses as much as digits as its factorization.

120121210444321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 120121210444321 its reverse (123444012121021), we get a palindrome (243565222565342).

The spelling of 120121210444321 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred ten million, four hundred forty-four thousand, three hundred twenty-one".