220100000171 has 2 divisors, whose sum is σ = 220100000172. Its totient is φ = 220100000170.

The previous prime is 220100000111. The next prime is 220100000209. The reversal of 220100000171 is 171000001022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220100000171 - 2²⁶ = 220032891307 is a prime.

It is not a weakly prime, because it can be changed into another prime (220100000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050000085 + 110050000086.

It is an arithmetic number, because the mean of its divisors is an integer number (110050000086).

Almost surely, 2^220100000171 is an apocalyptic number.

220100000171 is a deficient number, since it is larger than the sum of its proper divisors (1).

220100000171 is an equidigital number, since it uses as much as digits as its factorization.

220100000171 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 14.

Adding to 220100000171 its reverse (171000001022), we get a palindrome (391100001193).

The spelling of 220100000171 in words is "two hundred twenty billion, one hundred million, one hundred seventy-one", and thus it is an aban number.