11220013321 has 16 divisors (see below), whose sum is σ = 12352970880. Its totient is φ = 10106254080.

The previous prime is 11220013309. The next prime is 11220013331. The reversal of 11220013321 is 12331002211.

It is a cyclic number.

It is not a de Polignac number, because 11220013321 - 2⁷ = 11220013193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220013295 and 11220013304.

It is not an unprimeable number, because it can be changed into a prime (11220013331) 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, 610945 + ... + 629041.

It is an arithmetic number, because the mean of its divisors is an integer number (772060680).

Almost surely, 2^11220013321 is an apocalyptic number.

11220013321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220013321 is a deficient number, since it is larger than the sum of its proper divisors (1132957559).

11220013321 is a wasteful number, since it uses less digits than its factorization.

11220013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18624.

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

Adding to 11220013321 its reverse (12331002211), we get a palindrome (23551015532).

It can be divided in two parts, 112200 and 13321, that added together give a palindrome (125521).

The spelling of 11220013321 in words is "eleven billion, two hundred twenty million, thirteen thousand, three hundred twenty-one".