20103301121 has 2 divisors, whose sum is σ = 20103301122. Its totient is φ = 20103301120.

The previous prime is 20103301111. The next prime is 20103301123. The reversal of 20103301121 is 12110330102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18087291121 + 2016010000 = 134489^2 + 44900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20103301121 is a prime.

Together with 20103301123, 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 = 20103301096 and 20103301105.

It is not a weakly prime, because it can be changed into another prime (20103301123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051650560 + 10051650561.

It is an arithmetic number, because the mean of its divisors is an integer number (10051650561).

Almost surely, 2^20103301121 is an apocalyptic number.

It is an amenable number.

20103301121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103301121 is an equidigital number, since it uses as much as digits as its factorization.

20103301121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20103301121 its reverse (12110330102), we get a palindrome (32213631223).

The spelling of 20103301121 in words is "twenty billion, one hundred three million, three hundred one thousand, one hundred twenty-one".