121302360281 has 2 divisors, whose sum is σ = 121302360282. Its totient is φ = 121302360280.

The previous prime is 121302360251. The next prime is 121302360299. The reversal of 121302360281 is 182063203121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120797953600 + 504406681 = 347560^2 + 22459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121302360281 is a prime.

It is a super-2 number, since 2×121302360281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121302360251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651180140 + 60651180141.

It is an arithmetic number, because the mean of its divisors is an integer number (60651180141).

Almost surely, 2^121302360281 is an apocalyptic number.

It is an amenable number.

121302360281 is a deficient number, since it is larger than the sum of its proper divisors (1).

121302360281 is an equidigital number, since it uses as much as digits as its factorization.

121302360281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 121302360281 in words is "one hundred twenty-one billion, three hundred two million, three hundred sixty thousand, two hundred eighty-one".