10010021221271 has 2 divisors, whose sum is σ = 10010021221272. Its totient is φ = 10010021221270.

The previous prime is 10010021221243. The next prime is 10010021221273. The reversal of 10010021221271 is 17212212001001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10010021221271 - 2²⁶ = 10009954112407 is a prime.

Together with 10010021221273, 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 (10010021221273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005010610635 + 5005010610636.

It is an arithmetic number, because the mean of its divisors is an integer number (5005010610636).

Almost surely, 2^{10010021221271} is an apocalyptic number.

10010021221271 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010021221271 is an equidigital number, since it uses as much as digits as its factorization.

10010021221271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 10010021221271 its reverse (17212212001001), we get a palindrome (27222233222272).

The spelling of 10010021221271 in words is "ten trillion, ten billion, twenty-one million, two hundred twenty-one thousand, two hundred seventy-one".