11130206321 has 16 divisors (see below), whose sum is σ = 12090019200. Its totient is φ = 10246161744.

The previous prime is 11130206291. The next prime is 11130206341. The reversal of 11130206321 is 12360203111.

It is not a de Polignac number, because 11130206321 - 2⁶ = 11130206257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130206293 and 11130206302.

It is not an unprimeable number, because it can be changed into a prime (11130206341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825980 + ... + 839346.

It is an arithmetic number, because the mean of its divisors is an integer number (755626200).

Almost surely, 2^11130206321 is an apocalyptic number.

It is an amenable number.

11130206321 is a deficient number, since it is larger than the sum of its proper divisors (959812879).

11130206321 is an equidigital number, since it uses as much as digits as its factorization.

11130206321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785 (or 13759 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11130206321 its reverse (12360203111), we get a palindrome (23490409432).

The spelling of 11130206321 in words is "eleven billion, one hundred thirty million, two hundred six thousand, three hundred twenty-one".