20102001012229 has 2 divisors, whose sum is σ = 20102001012230. Its totient is φ = 20102001012228.

The previous prime is 20102001012227. The next prime is 20102001012319. The reversal of 20102001012229 is 92221010020102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11888772960100 + 8213228052129 = 3448010^2 + 2865873^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102001012229 - 2¹ = 20102001012227 is a prime.

Together with 20102001012227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102001012227) 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, 10051000506114 + 10051000506115.

It is an arithmetic number, because the mean of its divisors is an integer number (10051000506115).

Almost surely, 2^{20102001012229} is an apocalyptic number.

It is an amenable number.

20102001012229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102001012229 is an equidigital number, since it uses as much as digits as its factorization.

20102001012229 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.

The spelling of 20102001012229 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, two hundred twenty-nine".