120222121979 has 2 divisors, whose sum is σ = 120222121980. Its totient is φ = 120222121978.

The previous prime is 120222121961. The next prime is 120222122011. The reversal of 120222121979 is 979121222021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120222121979 - 2³² = 115927154683 is a prime.

It is a super-2 number, since 2×120222121979² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (120222123979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111060989 + 60111060990.

It is an arithmetic number, because the mean of its divisors is an integer number (60111060990).

Almost surely, 2^120222121979 is an apocalyptic number.

120222121979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222121979 is an equidigital number, since it uses as much as digits as its factorization.

120222121979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 120222121979 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, nine hundred seventy-nine".