11130321 has 8 divisors (see below), whose sum is σ = 15485760. Its totient is φ = 7097552.

The previous prime is 11130313. The next prime is 11130323. The reversal of 11130321 is 12303111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11130321 - 2³ = 11130313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11130297 and 11130306.

It is not an unprimeable number, because it can be changed into a prime (11130323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80586 + ... + 80723.

It is an arithmetic number, because the mean of its divisors is an integer number (1935720).

Almost surely, 2^11130321 is an apocalyptic number.

It is an amenable number.

11130321 is a deficient number, since it is larger than the sum of its proper divisors (4355439).

11130321 is a wasteful number, since it uses less digits than its factorization.

11130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161335.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11130321 is about 3336.2135723002. The cubic root of 11130321 is about 223.2728399808.

Adding to 11130321 its reverse (12303111), we get a palindrome (23433432).

The spelling of 11130321 in words is "eleven million, one hundred thirty thousand, three hundred twenty-one".