30022120171 has 2 divisors, whose sum is σ = 30022120172. Its totient is φ = 30022120170.

The previous prime is 30022120129. The next prime is 30022120181. The reversal of 30022120171 is 17102122003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30022120171 is a prime.

It is not a weakly prime, because it can be changed into another prime (30022120181) 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, 15011060085 + 15011060086.

It is an arithmetic number, because the mean of its divisors is an integer number (15011060086).

Almost surely, 2^30022120171 is an apocalyptic number.

30022120171 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022120171 is an equidigital number, since it uses as much as digits as its factorization.

30022120171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 30022120171 its reverse (17102122003), we get a palindrome (47124242174).

The spelling of 30022120171 in words is "thirty billion, twenty-two million, one hundred twenty thousand, one hundred seventy-one".