122001001271 has 2 divisors, whose sum is σ = 122001001272. Its totient is φ = 122001001270.

The previous prime is 122001001249. The next prime is 122001001273. The reversal of 122001001271 is 172100100221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122001001271 - 2²⁶ = 121933892407 is a prime.

It is a super-2 number, since 2×122001001271² (a number of 23 digits) contains 22 as substring.

Together with 122001001273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122001001273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000500635 + 61000500636.

It is an arithmetic number, because the mean of its divisors is an integer number (61000500636).

Almost surely, 2^122001001271 is an apocalyptic number.

122001001271 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001001271 is an equidigital number, since it uses as much as digits as its factorization.

122001001271 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 17.

Adding to 122001001271 its reverse (172100100221), we get a palindrome (294101101492).

The spelling of 122001001271 in words is "one hundred twenty-two billion, one million, one thousand, two hundred seventy-one".