10221211100671 has 2 divisors, whose sum is σ = 10221211100672. Its totient is φ = 10221211100670.

The previous prime is 10221211100669. The next prime is 10221211100699. The reversal of 10221211100671 is 17600111212201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221211100671 - 2¹ = 10221211100669 is a prime.

Together with 10221211100669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221211109671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110605550335 + 5110605550336.

It is an arithmetic number, because the mean of its divisors is an integer number (5110605550336).

Almost surely, 2^{10221211100671} is an apocalyptic number.

10221211100671 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221211100671 is an equidigital number, since it uses as much as digits as its factorization.

10221211100671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 10221211100671 its reverse (17600111212201), we get a palindrome (27821322312872).

The spelling of 10221211100671 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, one hundred thousand, six hundred seventy-one".