242122101301309 has 2 divisors, whose sum is σ = 242122101301310. Its totient is φ = 242122101301308.

The previous prime is 242122101301243. The next prime is 242122101301321. The reversal of 242122101301309 is 903103101221242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172154815325284 + 69967285976025 = 13120778^2 + 8364645^2 .

It is a cyclic number.

It is not a de Polignac number, because 242122101301309 - 2⁴³ = 233326008279101 is a prime.

It is a super-2 number, since 2×242122101301309² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242122101301349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121061050650654 + 121061050650655.

It is an arithmetic number, because the mean of its divisors is an integer number (121061050650655).

Almost surely, 2^{242122101301309} is an apocalyptic number.

It is an amenable number.

242122101301309 is a deficient number, since it is larger than the sum of its proper divisors (1).

242122101301309 is an equidigital number, since it uses as much as digits as its factorization.

242122101301309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 242122101301309 in words is "two hundred forty-two trillion, one hundred twenty-two billion, one hundred one million, three hundred one thousand, three hundred nine".