10221202111171 has 2 divisors, whose sum is σ = 10221202111172. Its totient is φ = 10221202111170.

The previous prime is 10221202111103. The next prime is 10221202111261. The reversal of 10221202111171 is 17111120212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221202111171 - 2⁹ = 10221202110659 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221202111271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110601055585 + 5110601055586.

It is an arithmetic number, because the mean of its divisors is an integer number (5110601055586).

Almost surely, 2^{10221202111171} is an apocalyptic number.

10221202111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221202111171 is an equidigital number, since it uses as much as digits as its factorization.

10221202111171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 10221202111171 its reverse (17111120212201), we get a palindrome (27332322323372).

The spelling of 10221202111171 in words is "ten trillion, two hundred twenty-one billion, two hundred two million, one hundred eleven thousand, one hundred seventy-one".