20301311101 has 2 divisors, whose sum is σ = 20301311102. Its totient is φ = 20301311100.

The previous prime is 20301311057. The next prime is 20301311131. The reversal of 20301311101 is 10111310302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20292002500 + 9308601 = 142450^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301311101 - 2¹⁹ = 20300786813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20301311131) 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, 10150655550 + 10150655551.

It is an arithmetic number, because the mean of its divisors is an integer number (10150655551).

Almost surely, 2^20301311101 is an apocalyptic number.

It is an amenable number.

20301311101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301311101 is an equidigital number, since it uses as much as digits as its factorization.

20301311101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20301311101 its reverse (10111310302), we get a palindrome (30412621403).

It can be divided in two parts, 2030 and 1311101, that added together give a palindrome (1313131).

The spelling of 20301311101 in words is "twenty billion, three hundred one million, three hundred eleven thousand, one hundred one".