121341534361 has 2 divisors, whose sum is σ = 121341534362. Its totient is φ = 121341534360.

The previous prime is 121341534323. The next prime is 121341534371. The reversal of 121341534361 is 163435143121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66987274761 + 54354259600 = 258819^2 + 233140^2 .

It is a cyclic number.

It is not a de Polignac number, because 121341534361 - 2¹¹ = 121341532313 is a prime.

It is a super-2 number, since 2×121341534361² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121341534371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670767180 + 60670767181.

It is an arithmetic number, because the mean of its divisors is an integer number (60670767181).

Almost surely, 2^121341534361 is an apocalyptic number.

It is an amenable number.

121341534361 is a deficient number, since it is larger than the sum of its proper divisors (1).

121341534361 is an equidigital number, since it uses as much as digits as its factorization.

121341534361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

Adding to 121341534361 its reverse (163435143121), we get a palindrome (284776677482).

The spelling of 121341534361 in words is "one hundred twenty-one billion, three hundred forty-one million, five hundred thirty-four thousand, three hundred sixty-one".