10117221601 has 2 divisors, whose sum is σ = 10117221602. Its totient is φ = 10117221600.

The previous prime is 10117221581. The next prime is 10117221617. The reversal of 10117221601 is 10612271101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10092211600 + 25010001 = 100460^2 + 5001^2 .

It is an emirp because it is prime and its reverse (10612271101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10117221601 - 2⁹ = 10117221089 is a prime.

It is not a weakly prime, because it can be changed into another prime (10117221641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058610800 + 5058610801.

It is an arithmetic number, because the mean of its divisors is an integer number (5058610801).

Almost surely, 2^10117221601 is an apocalyptic number.

It is an amenable number.

10117221601 is a deficient number, since it is larger than the sum of its proper divisors (1).

10117221601 is an equidigital number, since it uses as much as digits as its factorization.

10117221601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Multiplying 10117221601 by its sum of digits (22), we get a palindrome (222578875222).

Adding to 10117221601 its reverse (10612271101), we get a palindrome (20729492702).

The spelling of 10117221601 in words is "ten billion, one hundred seventeen million, two hundred twenty-one thousand, six hundred one".