21301001013037 has 2 divisors, whose sum is σ = 21301001013038. Its totient is φ = 21301001013036.

The previous prime is 21301001013001. The next prime is 21301001013073. The reversal of 21301001013037 is 73031010010312.

Together with next prime (21301001013073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (21301001013001) and next prime (21301001013073).

It can be written as a sum of positive squares in only one way, i.e., 18652085265636 + 2648915747401 = 4318806^2 + 1627549^2 .

It is a cyclic number.

It is not a de Polignac number, because 21301001013037 - 2¹⁹ = 21301000488749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21301001012999 and 21301001013017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21301001016037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650500506518 + 10650500506519.

It is an arithmetic number, because the mean of its divisors is an integer number (10650500506519).

Almost surely, 2^{21301001013037} is an apocalyptic number.

It is an amenable number.

21301001013037 is a deficient number, since it is larger than the sum of its proper divisors (1).

21301001013037 is an equidigital number, since it uses as much as digits as its factorization.

21301001013037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 21301001013037 its reverse (73031010010312), we get a palindrome (94332011023349).

The spelling of 21301001013037 in words is "twenty-one trillion, three hundred one billion, one million, thirteen thousand, thirty-seven".