121341141161 has 2 divisors, whose sum is σ = 121341141162. Its totient is φ = 121341141160.

The previous prime is 121341141139. The next prime is 121341141241. The reversal of 121341141161 is 161141143121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110114467225 + 11226673936 = 331835^2 + 105956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121341141161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121341141161.

It is not a weakly prime, because it can be changed into another prime (121341144161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670570580 + 60670570581.

It is an arithmetic number, because the mean of its divisors is an integer number (60670570581).

Almost surely, 2^121341141161 is an apocalyptic number.

It is an amenable number.

121341141161 is a deficient number, since it is larger than the sum of its proper divisors (1).

121341141161 is an equidigital number, since it uses as much as digits as its factorization.

121341141161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 26.

Adding to 121341141161 its reverse (161141143121), we get a palindrome (282482284282).

The spelling of 121341141161 in words is "one hundred twenty-one billion, three hundred forty-one million, one hundred forty-one thousand, one hundred sixty-one".