242110018109 has 2 divisors, whose sum is σ = 242110018110. Its totient is φ = 242110018108.

The previous prime is 242110018103. The next prime is 242110018169. The reversal of 242110018109 is 901810011242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232519733209 + 9590284900 = 482203^2 + 97930^2 .

It is a cyclic number.

It is not a de Polignac number, because 242110018109 - 2²⁰ = 242108969533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242110018103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121055009054 + 121055009055.

It is an arithmetic number, because the mean of its divisors is an integer number (121055009055).

Almost surely, 2^242110018109 is an apocalyptic number.

It is an amenable number.

242110018109 is a deficient number, since it is larger than the sum of its proper divisors (1).

242110018109 is an equidigital number, since it uses as much as digits as its factorization.

242110018109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 242110018109 in words is "two hundred forty-two billion, one hundred ten million, eighteen thousand, one hundred nine".