11022311312 has 40 divisors (see below), whose sum is σ = 22764316800. Its totient is φ = 5154993792.

The previous prime is 11022311269. The next prime is 11022311317. The reversal of 11022311312 is 21311322011.

11022311312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11022311312³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11022311317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205463 + ... + 253494.

It is an arithmetic number, because the mean of its divisors is an integer number (569107920).

Almost surely, 2^11022311312 is an apocalyptic number.

It is an amenable number.

11022311312 is an abundant number, since it is smaller than the sum of its proper divisors (11742005488).

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

11022311312 is a wasteful number, since it uses less digits than its factorization.

11022311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459063 (or 459057 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11022311312 its reverse (21311322011), we get a palindrome (32333633323).

The spelling of 11022311312 in words is "eleven billion, twenty-two million, three hundred eleven thousand, three hundred twelve".