120121220179 has 2 divisors, whose sum is σ = 120121220180. Its totient is φ = 120121220178.

The previous prime is 120121220161. The next prime is 120121220251. The reversal of 120121220179 is 971022121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120121220179 - 2²⁹ = 119584349267 is a prime.

It is not a weakly prime, because it can be changed into another prime (120121220129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060610089 + 60060610090.

It is an arithmetic number, because the mean of its divisors is an integer number (60060610090).

Almost surely, 2^120121220179 is an apocalyptic number.

120121220179 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121220179 is an equidigital number, since it uses as much as digits as its factorization.

120121220179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 120121220179 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred seventy-nine".