120011020109 has 2 divisors, whose sum is σ = 120011020110. Its totient is φ = 120011020108.

The previous prime is 120011020081. The next prime is 120011020111. The reversal of 120011020109 is 901020110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81294554884 + 38716465225 = 285122^2 + 196765^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011020109 - 2⁸ = 120011019853 is a prime.

Together with 120011020111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011020309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005510054 + 60005510055.

It is an arithmetic number, because the mean of its divisors is an integer number (60005510055).

Almost surely, 2^120011020109 is an apocalyptic number.

It is an amenable number.

120011020109 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011020109 is an equidigital number, since it uses as much as digits as its factorization.

120011020109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 120011020109 in words is "one hundred twenty billion, eleven million, twenty thousand, one hundred nine".