11130210321 has 4 divisors (see below), whose sum is σ = 14840280432. Its totient is φ = 7420140212.

The previous prime is 11130210293. The next prime is 11130210341. The reversal of 11130210321 is 12301203111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11130210321 - 2⁷ = 11130210193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11130210321.

It is not an unprimeable number, because it can be changed into a prime (11130210341) 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, 1855035051 + ... + 1855035056.

It is an arithmetic number, because the mean of its divisors is an integer number (3710070108).

Almost surely, 2^11130210321 is an apocalyptic number.

It is an amenable number.

11130210321 is a deficient number, since it is larger than the sum of its proper divisors (3710070111).

11130210321 is an equidigital number, since it uses as much as digits as its factorization.

11130210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710070110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11130210321 its reverse (12301203111), we get a palindrome (23431413432).

The spelling of 11130210321 in words is "eleven billion, one hundred thirty million, two hundred ten thousand, three hundred twenty-one".