122411404121 has 2 divisors, whose sum is σ = 122411404122. Its totient is φ = 122411404120.

The previous prime is 122411404117. The next prime is 122411404151. The reversal of 122411404121 is 121404114221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117828114121 + 4583290000 = 343261^2 + 67700^2 .

It is a cyclic number.

It is not a de Polignac number, because 122411404121 - 2² = 122411404117 is a prime.

It is not a weakly prime, because it can be changed into another prime (122411404151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61205702060 + 61205702061.

It is an arithmetic number, because the mean of its divisors is an integer number (61205702061).

Almost surely, 2^122411404121 is an apocalyptic number.

It is an amenable number.

122411404121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122411404121 is an equidigital number, since it uses as much as digits as its factorization.

122411404121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122411404121 its reverse (121404114221), we get a palindrome (243815518342).

The spelling of 122411404121 in words is "one hundred twenty-two billion, four hundred eleven million, four hundred four thousand, one hundred twenty-one".