121565066083 has 2 divisors, whose sum is σ = 121565066084. Its totient is φ = 121565066082.

The previous prime is 121565066069. The next prime is 121565066089. The reversal of 121565066083 is 380660565121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121565066083 - 2¹³ = 121565057891 is a prime.

It is not a weakly prime, because it can be changed into another prime (121565066089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60782533041 + 60782533042.

It is an arithmetic number, because the mean of its divisors is an integer number (60782533042).

Almost surely, 2^121565066083 is an apocalyptic number.

121565066083 is a deficient number, since it is larger than the sum of its proper divisors (1).

121565066083 is an equidigital number, since it uses as much as digits as its factorization.

121565066083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 121565066083 in words is "one hundred twenty-one billion, five hundred sixty-five million, sixty-six thousand, eighty-three".