11310010021 has 2 divisors, whose sum is σ = 11310010022. Its totient is φ = 11310010020.

The previous prime is 11310010003. The next prime is 11310010057. The reversal of 11310010021 is 12001001311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10798119396 + 511890625 = 103914^2 + 22625^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310010021 - 2⁵ = 11310009989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11310010321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655005010 + 5655005011.

It is an arithmetic number, because the mean of its divisors is an integer number (5655005011).

Almost surely, 2^11310010021 is an apocalyptic number.

It is an amenable number.

11310010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310010021 is an equidigital number, since it uses as much as digits as its factorization.

11310010021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11310010021 its reverse (12001001311), we get a palindrome (23311011332).

The spelling of 11310010021 in words is "eleven billion, three hundred ten million, ten thousand, twenty-one".