20110321030001 has 2 divisors, whose sum is σ = 20110321030002. Its totient is φ = 20110321030000.

The previous prime is 20110321029983. The next prime is 20110321030003. The reversal of 20110321030001 is 10003012301102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13698289254400 + 6412031775601 = 3701120^2 + 2532199^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110321030001 - 2⁶ = 20110321029937 is a prime.

Together with 20110321030003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20110321030003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055160515000 + 10055160515001.

It is an arithmetic number, because the mean of its divisors is an integer number (10055160515001).

Almost surely, 2^{20110321030001} is an apocalyptic number.

It is an amenable number.

20110321030001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110321030001 is an equidigital number, since it uses as much as digits as its factorization.

20110321030001 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 20110321030001 its reverse (10003012301102), we get a palindrome (30113333331103).

The spelling of 20110321030001 in words is "twenty trillion, one hundred ten billion, three hundred twenty-one million, thirty thousand, one".