10021220232013 has 2 divisors, whose sum is σ = 10021220232014. Its totient is φ = 10021220232012.

The previous prime is 10021220231993. The next prime is 10021220232047. The reversal of 10021220232013 is 31023202212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8815655759689 + 1205564472324 = 2969117^2 + 1097982^2 .

It is an emirp because it is prime and its reverse (31023202212001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021220232013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021220232073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010610116006 + 5010610116007.

It is an arithmetic number, because the mean of its divisors is an integer number (5010610116007).

Almost surely, 2^{10021220232013} is an apocalyptic number.

It is an amenable number.

10021220232013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021220232013 is an equidigital number, since it uses as much as digits as its factorization.

10021220232013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10021220232013 its reverse (31023202212001), we get a palindrome (41044422444014).

The spelling of 10021220232013 in words is "ten trillion, twenty-one billion, two hundred twenty million, two hundred thirty-two thousand, thirteen".