11210203321 has 4 divisors (see below), whose sum is σ = 11222899792. Its totient is φ = 11197506852.

The previous prime is 11210203297. The next prime is 11210203327. The reversal of 11210203321 is 12330201211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12330201211 = 1433 ⋅8604467.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210203321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210203295 and 11210203304.

It is not an unprimeable number, because it can be changed into a prime (11210203327) 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, 6346911 + ... + 6348676.

It is an arithmetic number, because the mean of its divisors is an integer number (2805724948).

Almost surely, 2^11210203321 is an apocalyptic number.

It is an amenable number.

11210203321 is a deficient number, since it is larger than the sum of its proper divisors (12696471).

11210203321 is an equidigital number, since it uses as much as digits as its factorization.

11210203321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696470.

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

Adding to 11210203321 its reverse (12330201211), we get a palindrome (23540404532).

The spelling of 11210203321 in words is "eleven billion, two hundred ten million, two hundred three thousand, three hundred twenty-one".