101221000163 has 2 divisors, whose sum is σ = 101221000164. Its totient is φ = 101221000162.

The previous prime is 101221000117. The next prime is 101221000259. The reversal of 101221000163 is 361000122101.

It is a weak prime.

It is an emirp because it is prime and its reverse (361000122101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101221000163 - 2¹² = 101220996067 is a prime.

It is not a weakly prime, because it can be changed into another prime (101221000663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610500081 + 50610500082.

It is an arithmetic number, because the mean of its divisors is an integer number (50610500082).

Almost surely, 2^101221000163 is an apocalyptic number.

101221000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221000163 is an equidigital number, since it uses as much as digits as its factorization.

101221000163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101221000163 its reverse (361000122101), we get a palindrome (462221122264).

The spelling of 101221000163 in words is "one hundred one billion, two hundred twenty-one million, one hundred sixty-three", and thus it is an aban number.