121573229339 has 2 divisors, whose sum is σ = 121573229340. Its totient is φ = 121573229338.

The previous prime is 121573229279. The next prime is 121573229347. The reversal of 121573229339 is 933922375121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121573229339 - 2²⁴ = 121556452123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121573229293 and 121573229302.

It is not a weakly prime, because it can be changed into another prime (121573229369) 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, 60786614669 + 60786614670.

It is an arithmetic number, because the mean of its divisors is an integer number (60786614670).

Almost surely, 2^121573229339 is an apocalyptic number.

121573229339 is a deficient number, since it is larger than the sum of its proper divisors (1).

121573229339 is an equidigital number, since it uses as much as digits as its factorization.

121573229339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The spelling of 121573229339 in words is "one hundred twenty-one billion, five hundred seventy-three million, two hundred twenty-nine thousand, three hundred thirty-nine".