11133310212 has 72 divisors (see below), whose sum is σ = 28926073176. Its totient is φ = 3607939584.

The previous prime is 11133310189. The next prime is 11133310219. The reversal of 11133310212 is 21201333111.

11133310212 is a `hidden beast` number, since 11 + 133 + 310 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2820247236 + 8313062976 = 53106^2 + 91176^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11133310219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2252608 + ... + 2257544.

Almost surely, 2^11133310212 is an apocalyptic number.

11133310212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11133310212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463036588).

11133310212 is an abundant number, since it is smaller than the sum of its proper divisors (17792762964).

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

11133310212 is a wasteful number, since it uses less digits than its factorization.

11133310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677 (or 6672 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11133310212 its reverse (21201333111), we get a palindrome (32334643323).

The spelling of 11133310212 in words is "eleven billion, one hundred thirty-three million, three hundred ten thousand, two hundred twelve".