34234112221 has 2 divisors, whose sum is σ = 34234112222. Its totient is φ = 34234112220.

The previous prime is 34234112197. The next prime is 34234112279. The reversal of 34234112221 is 12221143243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33677388196 + 556724025 = 183514^2 + 23595^2 .

It is a cyclic number.

It is not a de Polignac number, because 34234112221 - 2¹³ = 34234104029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34234115221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17117056110 + 17117056111.

It is an arithmetic number, because the mean of its divisors is an integer number (17117056111).

Almost surely, 2^34234112221 is an apocalyptic number.

It is an amenable number.

34234112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34234112221 is an equidigital number, since it uses as much as digits as its factorization.

34234112221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

Adding to 34234112221 its reverse (12221143243), we get a palindrome (46455255464).

The spelling of 34234112221 in words is "thirty-four billion, two hundred thirty-four million, one hundred twelve thousand, two hundred twenty-one".