120211171 has 2 divisors, whose sum is σ = 120211172. Its totient is φ = 120211170.

The previous prime is 120211163. The next prime is 120211193. The reversal of 120211171 is 171112021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120211171 - 2³ = 120211163 is a prime.

It is not a weakly prime, because it can be changed into another prime (120211111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105585 + 60105586.

It is an arithmetic number, because the mean of its divisors is an integer number (60105586).

Almost surely, 2^120211171 is an apocalyptic number.

120211171 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211171 is an equidigital number, since it uses as much as digits as its factorization.

120211171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 120211171 is about 10964.0855067808. The cubic root of 120211171 is about 493.5315744653.

Adding to 120211171 its reverse (171112021), we get a palindrome (291323192).

The spelling of 120211171 in words is "one hundred twenty million, two hundred eleven thousand, one hundred seventy-one".