11321222021223 has 16 divisors (see below), whose sum is σ = 15855578451456. Its totient is φ = 7171519845600.

The previous prime is 11321222021209. The next prime is 11321222021227. The reversal of 11321222021223 is 32212022212311.

It is not a de Polignac number, because 11321222021223 - 2¹⁷ = 11321221890151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321222021193 and 11321222021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321222021227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543286540 + ... + 543307377.

It is an arithmetic number, because the mean of its divisors is an integer number (990973653216).

Almost surely, 2^{11321222021223} is an apocalyptic number.

11321222021223 is a deficient number, since it is larger than the sum of its proper divisors (4534356430233).

11321222021223 is a wasteful number, since it uses less digits than its factorization.

11321222021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086594094.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11321222021223 its reverse (32212022212311), we get a palindrome (43533244233534).

The spelling of 11321222021223 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty-three".