121000430281169 has 2 divisors, whose sum is σ = 121000430281170. Its totient is φ = 121000430281168.

The previous prime is 121000430281163. The next prime is 121000430281183. The reversal of 121000430281169 is 961182034000121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121000264000144 + 166281025 = 11000012^2 + 12895^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000430281169 - 2¹⁶ = 121000430215633 is a prime.

It is a super-2 number, since 2×121000430281169² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121000430281163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500215140584 + 60500215140585.

It is an arithmetic number, because the mean of its divisors is an integer number (60500215140585).

Almost surely, 2^{121000430281169} is an apocalyptic number.

It is an amenable number.

121000430281169 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000430281169 is an equidigital number, since it uses as much as digits as its factorization.

121000430281169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 121000430281169 in words is "one hundred twenty-one trillion, four hundred thirty million, two hundred eighty-one thousand, one hundred sixty-nine".