101422171 has 4 divisors (see below), whose sum is σ = 106760200. Its totient is φ = 96084144.

The previous prime is 101422163. The next prime is 101422177. The reversal of 101422171 is 171224101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171224101 = 6091 ⋅28111.

It is a cyclic number.

It is not a de Polignac number, because 101422171 - 2³ = 101422163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5338009 = 101422171 / (1 + 0 + 1 + 4 + 2 + 2 + 1 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101422177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668986 + ... + 2669023.

It is an arithmetic number, because the mean of its divisors is an integer number (26690050).

Almost surely, 2^101422171 is an apocalyptic number.

101422171 is a deficient number, since it is larger than the sum of its proper divisors (5338029).

101422171 is an equidigital number, since it uses as much as digits as its factorization.

101422171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338028.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 101422171 is about 10070.8575106592. The cubic root of 101422171 is about 466.3489116364.

Adding to 101422171 its reverse (171224101), we get a palindrome (272646272).

The spelling of 101422171 in words is "one hundred one million, four hundred twenty-two thousand, one hundred seventy-one".