10221123271 has 2 divisors, whose sum is σ = 10221123272. Its totient is φ = 10221123270.

The previous prime is 10221123239. The next prime is 10221123343. The reversal of 10221123271 is 17232112201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221123271 - 2⁵ = 10221123239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110561635 + 5110561636.

It is an arithmetic number, because the mean of its divisors is an integer number (5110561636).

Almost surely, 2^10221123271 is an apocalyptic number.

10221123271 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221123271 is an equidigital number, since it uses as much as digits as its factorization.

10221123271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 10221123271 its reverse (17232112201), we get a palindrome (27453235472).

The spelling of 10221123271 in words is "ten billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred seventy-one".