11130220321 has 8 divisors (see below), whose sum is σ = 12371154624. Its totient is φ = 9927468720.

The previous prime is 11130220313. The next prime is 11130220333. The reversal of 11130220321 is 12302203111.

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 11130220321 - 2³ = 11130220313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130220295 and 11130220304.

It is not an unprimeable number, because it can be changed into a prime (11130224321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9545061 + ... + 9546226.

It is an arithmetic number, because the mean of its divisors is an integer number (1546394328).

Almost surely, 2^11130220321 is an apocalyptic number.

11130220321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11130220321 is a deficient number, since it is larger than the sum of its proper divisors (1240934303).

11130220321 is a wasteful number, since it uses less digits than its factorization.

11130220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19091351.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11130220321 its reverse (12302203111), we get a palindrome (23432423432).

The spelling of 11130220321 in words is "eleven billion, one hundred thirty million, two hundred twenty thousand, three hundred twenty-one".