122230221121 has 2 divisors, whose sum is σ = 122230221122. Its totient is φ = 122230221120.

The previous prime is 122230221107. The next prime is 122230221163. The reversal of 122230221121 is 121122032221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121619587600 + 610633521 = 348740^2 + 24711^2 .

It is a cyclic number.

It is not a de Polignac number, because 122230221121 - 2⁷ = 122230220993 is a prime.

It is not a weakly prime, because it can be changed into another prime (122230221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115110560 + 61115110561.

It is an arithmetic number, because the mean of its divisors is an integer number (61115110561).

Almost surely, 2^122230221121 is an apocalyptic number.

It is an amenable number.

122230221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122230221121 is an equidigital number, since it uses as much as digits as its factorization.

122230221121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122230221121 its reverse (121122032221), we get a palindrome (243352253342).

The spelling of 122230221121 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred twenty-one thousand, one hundred twenty-one".