11211203023321 has 4 divisors (see below), whose sum is σ = 12812803455232. Its totient is φ = 9609602591412.

The previous prime is 11211203023301. The next prime is 11211203023327. The reversal of 11211203023321 is 12332030211211.

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 11211203023321 - 2⁵ = 11211203023289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211203023292 and 11211203023301.

It is not an unprimeable number, because it can be changed into a prime (11211203023327) 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, 800800215945 + ... + 800800215958.

It is an arithmetic number, because the mean of its divisors is an integer number (3203200863808).

Almost surely, 2^{11211203023321} is an apocalyptic number.

It is an amenable number.

11211203023321 is a deficient number, since it is larger than the sum of its proper divisors (1601600431911).

11211203023321 is an equidigital number, since it uses as much as digits as its factorization.

11211203023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601600431910.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11211203023321 its reverse (12332030211211), we get a palindrome (23543233234532).

The spelling of 11211203023321 in words is "eleven trillion, two hundred eleven billion, two hundred three million, twenty-three thousand, three hundred twenty-one".