342221101122209 has 2 divisors, whose sum is σ = 342221101122210. Its totient is φ = 342221101122208.

The previous prime is 342221101122191. The next prime is 342221101122259. The reversal of 342221101122209 is 902221101122243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341512137122209 + 708964000000 = 18480047^2 + 842000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342221101122209 is a prime.

It is not a weakly prime, because it can be changed into another prime (342221101122259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171110550561104 + 171110550561105.

It is an arithmetic number, because the mean of its divisors is an integer number (171110550561105).

Almost surely, 2^{342221101122209} is an apocalyptic number.

It is an amenable number.

342221101122209 is a deficient number, since it is larger than the sum of its proper divisors (1).

342221101122209 is an equidigital number, since it uses as much as digits as its factorization.

342221101122209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 342221101122209 in words is "three hundred forty-two trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred nine".