120222020211121 has 2 divisors, whose sum is σ = 120222020211122. Its totient is φ = 120222020211120.

The previous prime is 120222020211053. The next prime is 120222020211133. The reversal of 120222020211121 is 121112020222021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63122008044096 + 57100012167025 = 7944936^2 + 7556455^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222020211121 - 2¹⁵ = 120222020178353 is a prime.

It is not a weakly prime, because it can be changed into another prime (120222020211191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111010105560 + 60111010105561.

It is an arithmetic number, because the mean of its divisors is an integer number (60111010105561).

Almost surely, 2^{120222020211121} is an apocalyptic number.

It is an amenable number.

120222020211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222020211121 is an equidigital number, since it uses as much as digits as its factorization.

120222020211121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120222020211121 its reverse (121112020222021), we get a palindrome (241334040433142).

The spelling of 120222020211121 in words is "one hundred twenty trillion, two hundred twenty-two billion, twenty million, two hundred eleven thousand, one hundred twenty-one".