120202310171 has 2 divisors, whose sum is σ = 120202310172. Its totient is φ = 120202310170.

The previous prime is 120202310149. The next prime is 120202310233. The reversal of 120202310171 is 171013202021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120202310171 - 2³⁰ = 119128568347 is a prime.

It is not a weakly prime, because it can be changed into another prime (120202310471) 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, 60101155085 + 60101155086.

It is an arithmetic number, because the mean of its divisors is an integer number (60101155086).

Almost surely, 2^120202310171 is an apocalyptic number.

120202310171 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202310171 is an equidigital number, since it uses as much as digits as its factorization.

120202310171 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 20.

Adding to 120202310171 its reverse (171013202021), we get a palindrome (291215512192).

The spelling of 120202310171 in words is "one hundred twenty billion, two hundred two million, three hundred ten thousand, one hundred seventy-one".