101122012171 has 2 divisors, whose sum is σ = 101122012172. Its totient is φ = 101122012170.

The previous prime is 101122012151. The next prime is 101122012207. The reversal of 101122012171 is 171210221101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101122012171 - 2¹³ = 101122003979 is a prime.

It is a super-2 number, since 2×101122012171² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101122012151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561006085 + 50561006086.

It is an arithmetic number, because the mean of its divisors is an integer number (50561006086).

Almost surely, 2^101122012171 is an apocalyptic number.

101122012171 is a deficient number, since it is larger than the sum of its proper divisors (1).

101122012171 is an equidigital number, since it uses as much as digits as its factorization.

101122012171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 101122012171 its reverse (171210221101), we get a palindrome (272332233272).

The spelling of 101122012171 in words is "one hundred one billion, one hundred twenty-two million, twelve thousand, one hundred seventy-one".