121313421034163 has 2 divisors, whose sum is σ = 121313421034164. Its totient is φ = 121313421034162.

The previous prime is 121313421034153. The next prime is 121313421034181. The reversal of 121313421034163 is 361430124313121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121313421034163 - 2¹⁴ = 121313421017779 is a prime.

It is a super-2 number, since 2×121313421034163² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121313421034153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656710517081 + 60656710517082.

It is an arithmetic number, because the mean of its divisors is an integer number (60656710517082).

Almost surely, 2^{121313421034163} is an apocalyptic number.

121313421034163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313421034163 is an equidigital number, since it uses as much as digits as its factorization.

121313421034163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 121313421034163 its reverse (361430124313121), we get a palindrome (482743545347284).

The spelling of 121313421034163 in words is "one hundred twenty-one trillion, three hundred thirteen billion, four hundred twenty-one million, thirty-four thousand, one hundred sixty-three".