20103441121 has 2 divisors, whose sum is σ = 20103441122. Its totient is φ = 20103441120.

The previous prime is 20103441119. The next prime is 20103441143. The reversal of 20103441121 is 12114430102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11249572096 + 8853869025 = 106064^2 + 94095^2 .

It is a cyclic number.

It is not a de Polignac number, because 20103441121 - 2¹ = 20103441119 is a prime.

Together with 20103441119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20103441101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051720560 + 10051720561.

It is an arithmetic number, because the mean of its divisors is an integer number (10051720561).

Almost surely, 2^20103441121 is an apocalyptic number.

It is an amenable number.

20103441121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103441121 is an equidigital number, since it uses as much as digits as its factorization.

20103441121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20103441121 its reverse (12114430102), we get a palindrome (32217871223).

The spelling of 20103441121 in words is "twenty billion, one hundred three million, four hundred forty-one thousand, one hundred twenty-one".