221202000163 has 2 divisors, whose sum is σ = 221202000164. Its totient is φ = 221202000162.

The previous prime is 221202000157. The next prime is 221202000179. The reversal of 221202000163 is 361000202122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221202000163 - 2²¹ = 221199903011 is a prime.

It is a super-2 number, since 2×221202000163² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221202000163.

It is not a weakly prime, because it can be changed into another prime (221202000193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110601000081 + 110601000082.

It is an arithmetic number, because the mean of its divisors is an integer number (110601000082).

Almost surely, 2^221202000163 is an apocalyptic number.

221202000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

221202000163 is an equidigital number, since it uses as much as digits as its factorization.

221202000163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221202000163 its reverse (361000202122), we get a palindrome (582202202285).

The spelling of 221202000163 in words is "two hundred twenty-one billion, two hundred two million, one hundred sixty-three", and thus it is an aban number.