20102001012227 has 2 divisors, whose sum is σ = 20102001012228. Its totient is φ = 20102001012226.

The previous prime is 20102001012211. The next prime is 20102001012229. The reversal of 20102001012227 is 72221010020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102001012227 - 2⁴ = 20102001012211 is a prime.

Together with 20102001012229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102001012199 and 20102001012208.

It is not a weakly prime, because it can be changed into another prime (20102001012229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051000506113 + 10051000506114.

It is an arithmetic number, because the mean of its divisors is an integer number (10051000506114).

Almost surely, 2^{20102001012227} is an apocalyptic number.

20102001012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102001012227 is an equidigital number, since it uses as much as digits as its factorization.

20102001012227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 20102001012227 its reverse (72221010020102), we get a palindrome (92323011032329).

The spelling of 20102001012227 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, two hundred twenty-seven".