11130313210021 has 4 divisors (see below), whose sum is σ = 11255372909100. Its totient is φ = 11005253510944.

The previous prime is 11130313209971. The next prime is 11130313210033. The reversal of 11130313210021 is 12001231303111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7350551216100 + 3779761993921 = 2711190^2 + 1944161^2 .

It is a cyclic number.

It is not a de Polignac number, because 11130313210021 - 2²⁹ = 11129776339109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130313210421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62529849406 + ... + 62529849583.

It is an arithmetic number, because the mean of its divisors is an integer number (2813843227275).

Almost surely, 2^{11130313210021} is an apocalyptic number.

It is an amenable number.

11130313210021 is a deficient number, since it is larger than the sum of its proper divisors (125059699079).

11130313210021 is an equidigital number, since it uses as much as digits as its factorization.

11130313210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125059699078.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11130313210021 its reverse (12001231303111), we get a palindrome (23131544513132).

The spelling of 11130313210021 in words is "eleven trillion, one hundred thirty billion, three hundred thirteen million, two hundred ten thousand, twenty-one".