211021210000163 has 2 divisors, whose sum is σ = 211021210000164. Its totient is φ = 211021210000162.

The previous prime is 211021210000151. The next prime is 211021210000231. The reversal of 211021210000163 is 361000012120112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211021210000163 - 2²⁸ = 211020941564707 is a prime.

It is not a weakly prime, because it can be changed into another prime (211021210005163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510605000081 + 105510605000082.

It is an arithmetic number, because the mean of its divisors is an integer number (105510605000082).

Almost surely, 2^{211021210000163} is an apocalyptic number.

211021210000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

211021210000163 is an equidigital number, since it uses as much as digits as its factorization.

211021210000163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211021210000163 its reverse (361000012120112), we get a palindrome (572021222120275).

The spelling of 211021210000163 in words is "two hundred eleven trillion, twenty-one billion, two hundred ten million, one hundred sixty-three", and thus it is an aban number.