342001301221 has 2 divisors, whose sum is σ = 342001301222. Its totient is φ = 342001301220.

The previous prime is 342001301123. The next prime is 342001301261. The reversal of 342001301221 is 122103100243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333435798721 + 8565502500 = 577439^2 + 92550^2 .

It is an emirp because it is prime and its reverse (122103100243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342001301221 - 2⁹ = 342001300709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342001301261) 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, 171000650610 + 171000650611.

It is an arithmetic number, because the mean of its divisors is an integer number (171000650611).

Almost surely, 2^342001301221 is an apocalyptic number.

It is an amenable number.

342001301221 is a deficient number, since it is larger than the sum of its proper divisors (1).

342001301221 is an equidigital number, since it uses as much as digits as its factorization.

342001301221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 342001301221 its reverse (122103100243), we get a palindrome (464104401464).

The spelling of 342001301221 in words is "three hundred forty-two billion, one million, three hundred one thousand, two hundred twenty-one".