122012020101109 has 2 divisors, whose sum is σ = 122012020101110. Its totient is φ = 122012020101108.

The previous prime is 122012020101077. The next prime is 122012020101121. The reversal of 122012020101109 is 901101020210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102578470378609 + 19433549722500 = 10128103^2 + 4408350^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012020101109 - 2⁵ = 122012020101077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122012020101109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122012020101149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006010050554 + 61006010050555.

It is an arithmetic number, because the mean of its divisors is an integer number (61006010050555).

Almost surely, 2^{122012020101109} is an apocalyptic number.

It is an amenable number.

122012020101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012020101109 is an equidigital number, since it uses as much as digits as its factorization.

122012020101109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 122012020101109 in words is "one hundred twenty-two trillion, twelve billion, twenty million, one hundred one thousand, one hundred nine".