11133212311 has 8 divisors (see below), whose sum is σ = 12376375424. Its totient is φ = 9945300960.

The previous prime is 11133212257. The next prime is 11133212323. The reversal of 11133212311 is 11321233111.

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

It is not a de Polignac number, because 11133212311 - 2⁹ = 11133211799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133212341) 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, 13812516 + ... + 13813321.

It is an arithmetic number, because the mean of its divisors is an integer number (1547046928).

Almost surely, 2^11133212311 is an apocalyptic number.

11133212311 is a deficient number, since it is larger than the sum of its proper divisors (1243163113).

11133212311 is a wasteful number, since it uses less digits than its factorization.

11133212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27625881.

The product of its digits is 108, while the sum is 19.

Adding to 11133212311 its reverse (11321233111), we get a palindrome (22454445422).

The spelling of 11133212311 in words is "eleven billion, one hundred thirty-three million, two hundred twelve thousand, three hundred eleven".