11223141321 has 8 divisors (see below), whose sum is σ = 17101929664. Its totient is φ = 6413223600.

The previous prime is 11223141221. The next prime is 11223141329. The reversal of 11223141321 is 12314132211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11223141321 - 2¹¹ = 11223139273 is a prime.

It is a super-2 number, since 2×11223141321² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 534435301 = 11223141321 / (1 + 1 + 2 + 2 + 3 + 1 + 4 + 1 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223141329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267217630 + ... + 267217671.

It is an arithmetic number, because the mean of its divisors is an integer number (2137741208).

Almost surely, 2^11223141321 is an apocalyptic number.

It is an amenable number.

11223141321 is a deficient number, since it is larger than the sum of its proper divisors (5878788343).

11223141321 is an equidigital number, since it uses as much as digits as its factorization.

11223141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534435311.

The product of its digits is 288, while the sum is 21.

Adding to 11223141321 its reverse (12314132211), we get a palindrome (23537273532).

The spelling of 11223141321 in words is "eleven billion, two hundred twenty-three million, one hundred forty-one thousand, three hundred twenty-one".