11221203323 has 16 divisors (see below), whose sum is σ = 12395261952. Its totient is φ = 10073340000.

The previous prime is 11221203319. The next prime is 11221203341. The reversal of 11221203323 is 32330212211.

It is a cyclic number.

It is not a de Polignac number, because 11221203323 - 2² = 11221203319 is a prime.

It is a super-2 number, since 2×11221203323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221203295 and 11221203304.

It is not an unprimeable number, because it can be changed into a prime (11221209323) 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, 412328 + ... + 438698.

It is an arithmetic number, because the mean of its divisors is an integer number (774703872).

Almost surely, 2^11221203323 is an apocalyptic number.

11221203323 is a deficient number, since it is larger than the sum of its proper divisors (1174058629).

11221203323 is a wasteful number, since it uses less digits than its factorization.

11221203323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26866.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11221203323 its reverse (32330212211), we get a palindrome (43551415534).

The spelling of 11221203323 in words is "eleven billion, two hundred twenty-one million, two hundred three thousand, three hundred twenty-three".