11212233313231 has 8 divisors (see below), whose sum is σ = 11602766163600. Its totient is φ = 10821960737280.

The previous prime is 11212233313217. The next prime is 11212233313271. The reversal of 11212233313231 is 13231333221211.

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 11212233313231 - 2³⁹ = 10662477499343 is a prime.

It is a super-2 number, since 2×11212233313231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212233313231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212233313271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64980946 + ... + 65153263.

It is an arithmetic number, because the mean of its divisors is an integer number (1450345770450).

Almost surely, 2^{11212233313231} is an apocalyptic number.

11212233313231 is a deficient number, since it is larger than the sum of its proper divisors (390532850369).

11212233313231 is a wasteful number, since it uses less digits than its factorization.

11212233313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130137209.

The product of its digits is 3888, while the sum is 28.

Adding to 11212233313231 its reverse (13231333221211), we get a palindrome (24443566534442).

The spelling of 11212233313231 in words is "eleven trillion, two hundred twelve billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred thirty-one".