11223225321 has 32 divisors (see below), whose sum is σ = 18662980608. Its totient is φ = 5828312640.

The previous prime is 11223225313. The next prime is 11223225329. The reversal of 11223225321 is 12352232211.

It is an interprime number because it is at equal distance from previous prime (11223225313) and next prime (11223225329).

It is not a de Polignac number, because 11223225321 - 2³ = 11223225313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223225291 and 11223225300.

It is not an unprimeable number, because it can be changed into a prime (11223225329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 920950 + ... + 933056.

It is an arithmetic number, because the mean of its divisors is an integer number (583218144).

Almost surely, 2^11223225321 is an apocalyptic number.

11223225321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11223225321 is a deficient number, since it is larger than the sum of its proper divisors (7439755287).

11223225321 is a wasteful number, since it uses less digits than its factorization.

11223225321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141.

The product of its digits is 1440, while the sum is 24.

Adding to 11223225321 its reverse (12352232211), we get a palindrome (23575457532).

The spelling of 11223225321 in words is "eleven billion, two hundred twenty-three million, two hundred twenty-five thousand, three hundred twenty-one".