121120330189 has 2 divisors, whose sum is σ = 121120330190. Its totient is φ = 121120330188.

The previous prime is 121120330159. The next prime is 121120330207. The reversal of 121120330189 is 981033021121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91839302500 + 29281027689 = 303050^2 + 171117^2 .

It is an emirp because it is prime and its reverse (981033021121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121120330189 - 2³¹ = 118972846541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121120330189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120330129) 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, 60560165094 + 60560165095.

It is an arithmetic number, because the mean of its divisors is an integer number (60560165095).

Almost surely, 2^121120330189 is an apocalyptic number.

It is an amenable number.

121120330189 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120330189 is an equidigital number, since it uses as much as digits as its factorization.

121120330189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 121120330189 in words is "one hundred twenty-one billion, one hundred twenty million, three hundred thirty thousand, one hundred eighty-nine".