11331222113 has 8 divisors (see below), whose sum is σ = 12231604800. Its totient is φ = 10464816208.

The previous prime is 11331222059. The next prime is 11331222121. The reversal of 11331222113 is 31122213311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11331222113 - 2²² = 11327027809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331222913) 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, 8493503 + ... + 8494836.

It is an arithmetic number, because the mean of its divisors is an integer number (1528950600).

Almost surely, 2^11331222113 is an apocalyptic number.

It is an amenable number.

11331222113 is a deficient number, since it is larger than the sum of its proper divisors (900382687).

11331222113 is a wasteful number, since it uses less digits than its factorization.

11331222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988391.

The product of its digits is 216, while the sum is 20.

Adding to 11331222113 its reverse (31122213311), we get a palindrome (42453435424).

The spelling of 11331222113 in words is "eleven billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred thirteen".