11213133321 has 8 divisors (see below), whose sum is σ = 16100909440. Its totient is φ = 6900389712.

The previous prime is 11213133319. The next prime is 11213133433. The reversal of 11213133321 is 12333131211.

It is a happy number.

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

It is not a de Polignac number, because 11213133321 - 2¹ = 11213133319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213133821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143758081 + ... + 143758158.

It is an arithmetic number, because the mean of its divisors is an integer number (2012613680).

Almost surely, 2^11213133321 is an apocalyptic number.

It is an amenable number.

11213133321 is a deficient number, since it is larger than the sum of its proper divisors (4887776119).

11213133321 is a wasteful number, since it uses less digits than its factorization.

11213133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287516255.

The product of its digits is 324, while the sum is 21.

Adding to 11213133321 its reverse (12333131211), we get a palindrome (23546264532).

The spelling of 11213133321 in words is "eleven billion, two hundred thirteen million, one hundred thirty-three thousand, three hundred twenty-one".