11243321112 has 128 divisors (see below), whose sum is σ = 29920492800. Its totient is φ = 3514603008.

The previous prime is 11243321107. The next prime is 11243321147. The reversal of 11243321112 is 21112334211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5894863 + ... + 5896769.

It is an arithmetic number, because the mean of its divisors is an integer number (233753850).

Almost surely, 2^11243321112 is an apocalyptic number.

11243321112 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 11243321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14960246400).

11243321112 is an abundant number, since it is smaller than the sum of its proper divisors (18677171688).

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

11243321112 is a wasteful number, since it uses less digits than its factorization.

11243321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2181 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 11243321112 its reverse (21112334211), we get a palindrome (32355655323).

The spelling of 11243321112 in words is "eleven billion, two hundred forty-three million, three hundred twenty-one thousand, one hundred twelve".