11353010021 has 2 divisors, whose sum is σ = 11353010022. Its totient is φ = 11353010020.

The previous prime is 11353009991. The next prime is 11353010063. The reversal of 11353010021 is 12001035311.

11353010021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9606940225 + 1746069796 = 98015^2 + 41786^2 .

It is an emirp because it is prime and its reverse (12001035311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11353010021 - 2⁶ = 11353009957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11353010821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5676505010 + 5676505011.

It is an arithmetic number, because the mean of its divisors is an integer number (5676505011).

Almost surely, 2^11353010021 is an apocalyptic number.

It is an amenable number.

11353010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11353010021 is an equidigital number, since it uses as much as digits as its factorization.

11353010021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 11353010021 its reverse (12001035311), we get a palindrome (23354045332).

The spelling of 11353010021 in words is "eleven billion, three hundred fifty-three million, ten thousand, twenty-one".