20112100221163 has 2 divisors, whose sum is σ = 20112100221164. Its totient is φ = 20112100221162.

The previous prime is 20112100221119. The next prime is 20112100221167. The reversal of 20112100221163 is 36112200121102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112100221163 is a prime.

It is a super-2 number, since 2×20112100221163² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20112100221167) 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, 10056050110581 + 10056050110582.

It is an arithmetic number, because the mean of its divisors is an integer number (10056050110582).

Almost surely, 2^{20112100221163} is an apocalyptic number.

20112100221163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112100221163 is an equidigital number, since it uses as much as digits as its factorization.

20112100221163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 20112100221163 its reverse (36112200121102), we get a palindrome (56224300342265).

The spelling of 20112100221163 in words is "twenty trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, one hundred sixty-three".