11133222212 has 12 divisors (see below), whose sum is σ = 22266444480. Its totient is φ = 4771380936.

The previous prime is 11133222211. The next prime is 11133222227. The reversal of 11133222212 is 21222233111.

11133222212 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11133222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198807512 + ... + 198807567.

It is an arithmetic number, because the mean of its divisors is an integer number (1855537040).

Almost surely, 2^11133222212 is an apocalyptic number.

It is an amenable number.

11133222212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11133222212 is a wasteful number, since it uses less digits than its factorization.

11133222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397615090 (or 397615088 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 11133222212 its reverse (21222233111), we get a palindrome (32355455323).

The spelling of 11133222212 in words is "eleven billion, one hundred thirty-three million, two hundred twenty-two thousand, two hundred twelve".