11221132344 has 64 divisors (see below), whose sum is σ = 28239943680. Its totient is φ = 3715488000.

The previous prime is 11221132343. The next prime is 11221132357. The reversal of 11221132344 is 44323112211.

It is a super-2 number, since 2×11221132344² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221132343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4449804 + ... + 4452324.

It is an arithmetic number, because the mean of its divisors is an integer number (441249120).

Almost surely, 2^11221132344 is an apocalyptic number.

It is an amenable number.

11221132344 is an abundant number, since it is smaller than the sum of its proper divisors (17018811336).

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

11221132344 is a wasteful number, since it uses less digits than its factorization.

11221132344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692 (or 3688 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 11221132344 its reverse (44323112211), we get a palindrome (55544244555).

The spelling of 11221132344 in words is "eleven billion, two hundred twenty-one million, one hundred thirty-two thousand, three hundred forty-four".