121411123411129 has 2 divisors, whose sum is σ = 121411123411130. Its totient is φ = 121411123411128.

The previous prime is 121411123411093. The next prime is 121411123411139. The reversal of 121411123411129 is 921114321114121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106822084817529 + 14589038593600 = 10335477^2 + 3819560^2 .

It is a cyclic number.

It is not a de Polignac number, because 121411123411129 - 2⁷ = 121411123411001 is a prime.

It is a super-2 number, since 2×121411123411129² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121411123411094 and 121411123411103.

It is not a weakly prime, because it can be changed into another prime (121411123411139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60705561705564 + 60705561705565.

It is an arithmetic number, because the mean of its divisors is an integer number (60705561705565).

Almost surely, 2^{121411123411129} is an apocalyptic number.

It is an amenable number.

121411123411129 is a deficient number, since it is larger than the sum of its proper divisors (1).

121411123411129 is an equidigital number, since it uses as much as digits as its factorization.

121411123411129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 34.

The spelling of 121411123411129 in words is "one hundred twenty-one trillion, four hundred eleven billion, one hundred twenty-three million, four hundred eleven thousand, one hundred twenty-nine".