120222211121 has 2 divisors, whose sum is σ = 120222211122. Its totient is φ = 120222211120.

The previous prime is 120222211117. The next prime is 120222211127. The reversal of 120222211121 is 121112222021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118236261025 + 1985950096 = 343855^2 + 44564^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222211121 - 2² = 120222211117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120222211121.

It is not a weakly prime, because it can be changed into another prime (120222211127) 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, 60111105560 + 60111105561.

It is an arithmetic number, because the mean of its divisors is an integer number (60111105561).

Almost surely, 2^120222211121 is an apocalyptic number.

It is an amenable number.

120222211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222211121 is an equidigital number, since it uses as much as digits as its factorization.

120222211121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120222211121 its reverse (121112222021), we get a palindrome (241334433142).

The spelling of 120222211121 in words is "one hundred twenty billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".