20310201001001 has 2 divisors, whose sum is σ = 20310201001002. Its totient is φ = 20310201001000.

The previous prime is 20310201000931. The next prime is 20310201001019. The reversal of 20310201001001 is 10010010201302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12261342624400 + 8048858376601 = 3501620^2 + 2837051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20310201001001 is a prime.

It is not a weakly prime, because it can be changed into another prime (20310201001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155100500500 + 10155100500501.

It is an arithmetic number, because the mean of its divisors is an integer number (10155100500501).

Almost surely, 2^{20310201001001} is an apocalyptic number.

It is an amenable number.

20310201001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310201001001 is an equidigital number, since it uses as much as digits as its factorization.

20310201001001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20310201001001 its reverse (10010010201302), we get a palindrome (30320211202303).

The spelling of 20310201001001 in words is "twenty trillion, three hundred ten billion, two hundred one million, one thousand, one".