120121321222979 has 2 divisors, whose sum is σ = 120121321222980. Its totient is φ = 120121321222978.

The previous prime is 120121321222961. The next prime is 120121321223017. The reversal of 120121321222979 is 979222123121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120121321222979 - 2⁸ = 120121321222723 is a prime.

It is not a weakly prime, because it can be changed into another prime (120121321222949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060660611489 + 60060660611490.

It is an arithmetic number, because the mean of its divisors is an integer number (60060660611490).

Almost surely, 2^{120121321222979} is an apocalyptic number.

120121321222979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121321222979 is an equidigital number, since it uses as much as digits as its factorization.

120121321222979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 120121321222979 in words is "one hundred twenty trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred twenty-two thousand, nine hundred seventy-nine".