11222043312 has 20 divisors (see below), whose sum is σ = 28990278680. Its totient is φ = 3740681088.

The previous prime is 11222043253. The next prime is 11222043337. The reversal of 11222043312 is 21334022211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116896237 + ... + 116896332.

It is an arithmetic number, because the mean of its divisors is an integer number (1449513934).

Almost surely, 2^11222043312 is an apocalyptic number.

11222043312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222043312 is an abundant number, since it is smaller than the sum of its proper divisors (17768235368).

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

11222043312 is a wasteful number, since it uses less digits than its factorization.

11222043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233792580 (or 233792574 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11222043312 its reverse (21334022211), we get a palindrome (32556065523).

The spelling of 11222043312 in words is "eleven billion, two hundred twenty-two million, forty-three thousand, three hundred twelve".