121003300109 has 2 divisors, whose sum is σ = 121003300110. Its totient is φ = 121003300108.

The previous prime is 121003300037. The next prime is 121003300129. The reversal of 121003300109 is 901003300121.

It is an a-pointer prime, because the next prime (121003300129) can be obtained adding 121003300109 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89473970884 + 31529329225 = 299122^2 + 177565^2 .

It is a cyclic number.

It is not a de Polignac number, because 121003300109 - 2²⁰ = 121002251533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121003300129) 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, 60501650054 + 60501650055.

It is an arithmetic number, because the mean of its divisors is an integer number (60501650055).

Almost surely, 2^121003300109 is an apocalyptic number.

It is an amenable number.

121003300109 is a deficient number, since it is larger than the sum of its proper divisors (1).

121003300109 is an equidigital number, since it uses as much as digits as its factorization.

121003300109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 121003300109 in words is "one hundred twenty-one billion, three million, three hundred thousand, one hundred nine".