11212311332 has 24 divisors (see below), whose sum is σ = 20149226496. Its totient is φ = 5457055968.

The previous prime is 11212311307. The next prime is 11212311337. The reversal of 11212311332 is 23311321211.

It is a happy number.

It is a super-2 number, since 2×11212311332² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212311337) 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, 181298 + ... + 235145.

It is an arithmetic number, because the mean of its divisors is an integer number (839551104).

Almost surely, 2^11212311332 is an apocalyptic number.

It is an amenable number.

11212311332 is a deficient number, since it is larger than the sum of its proper divisors (8936915164).

11212311332 is a wasteful number, since it uses less digits than its factorization.

11212311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416627 (or 416625 counting only the distinct ones).

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

Adding to 11212311332 its reverse (23311321211), we get a palindrome (34523632543).

The spelling of 11212311332 in words is "eleven billion, two hundred twelve million, three hundred eleven thousand, three hundred thirty-two".