121211573339 has 2 divisors, whose sum is σ = 121211573340. Its totient is φ = 121211573338.

The previous prime is 121211573321. The next prime is 121211573359. The reversal of 121211573339 is 933375112121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121211573339 - 2⁸ = 121211573083 is a prime.

It is a super-2 number, since 2×121211573339² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121211573309) 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, 60605786669 + 60605786670.

It is an arithmetic number, because the mean of its divisors is an integer number (60605786670).

Almost surely, 2^121211573339 is an apocalyptic number.

121211573339 is a deficient number, since it is larger than the sum of its proper divisors (1).

121211573339 is an equidigital number, since it uses as much as digits as its factorization.

121211573339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The spelling of 121211573339 in words is "one hundred twenty-one billion, two hundred eleven million, five hundred seventy-three thousand, three hundred thirty-nine".