121434041161 has 2 divisors, whose sum is σ = 121434041162. Its totient is φ = 121434041160.

The previous prime is 121434041129. The next prime is 121434041173. The reversal of 121434041161 is 161140434121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77315139136 + 44118902025 = 278056^2 + 210045^2 .

It is a cyclic number.

It is not a de Polignac number, because 121434041161 - 2⁵ = 121434041129 is a prime.

It is not a weakly prime, because it can be changed into another prime (121434041101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60717020580 + 60717020581.

It is an arithmetic number, because the mean of its divisors is an integer number (60717020581).

Almost surely, 2^121434041161 is an apocalyptic number.

It is an amenable number.

121434041161 is a deficient number, since it is larger than the sum of its proper divisors (1).

121434041161 is an equidigital number, since it uses as much as digits as its factorization.

121434041161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 121434041161 its reverse (161140434121), we get a palindrome (282574475282).

The spelling of 121434041161 in words is "one hundred twenty-one billion, four hundred thirty-four million, forty-one thousand, one hundred sixty-one".