11133132321 has 16 divisors (see below), whose sum is σ = 14988758400. Its totient is φ = 7350129408.

The previous prime is 11133132319. The next prime is 11133132343. The reversal of 11133132321 is 12323133111.

It is a happy number.

It is not a de Polignac number, because 11133132321 - 2¹ = 11133132319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11133132301) 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, 93465 + ... + 176073.

It is an arithmetic number, because the mean of its divisors is an integer number (936797400).

Almost surely, 2^11133132321 is an apocalyptic number.

It is an amenable number.

11133132321 is a deficient number, since it is larger than the sum of its proper divisors (3855626079).

11133132321 is a wasteful number, since it uses less digits than its factorization.

11133132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83048.

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

Adding to 11133132321 its reverse (12323133111), we get a palindrome (23456265432).

The spelling of 11133132321 in words is "eleven billion, one hundred thirty-three million, one hundred thirty-two thousand, three hundred twenty-one".