163220326101101 has 2 divisors, whose sum is σ = 163220326101102. Its totient is φ = 163220326101100.

The previous prime is 163220326101089. The next prime is 163220326101139. The reversal of 163220326101101 is 101101623022361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88135501578601 + 75084824522500 = 9388051^2 + 8665150^2 .

It is a cyclic number.

It is not a de Polignac number, because 163220326101101 - 2⁶ = 163220326101037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163220326701101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81610163050550 + 81610163050551.

It is an arithmetic number, because the mean of its divisors is an integer number (81610163050551).

Almost surely, 2^{163220326101101} is an apocalyptic number.

It is an amenable number.

163220326101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

163220326101101 is an equidigital number, since it uses as much as digits as its factorization.

163220326101101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 163220326101101 its reverse (101101623022361), we get a palindrome (264321949123462).

The spelling of 163220326101101 in words is "one hundred sixty-three trillion, two hundred twenty billion, three hundred twenty-six million, one hundred one thousand, one hundred one".