11303113021 has 2 divisors, whose sum is σ = 11303113022. Its totient is φ = 11303113020.

The previous prime is 11303113001. The next prime is 11303113027. The reversal of 11303113021 is 12031130311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10258853796 + 1044259225 = 101286^2 + 32315^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303113021 - 2¹⁹ = 11302588733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11303112986 and 11303113004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11303113027) 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, 5651556510 + 5651556511.

It is an arithmetic number, because the mean of its divisors is an integer number (5651556511).

Almost surely, 2^11303113021 is an apocalyptic number.

It is an amenable number.

11303113021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303113021 is an equidigital number, since it uses as much as digits as its factorization.

11303113021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11303113021 its reverse (12031130311), we get a palindrome (23334243332).

The spelling of 11303113021 in words is "eleven billion, three hundred three million, one hundred thirteen thousand, twenty-one".