11242221231144 has 64 divisors (see below), whose sum is σ = 28456568965440. Its totient is φ = 3700644308480.

The previous prime is 11242221231139. The next prime is 11242221231151. The reversal of 11242221231144 is 44113212224211.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3347134 + ... + 5804114.

It is an arithmetic number, because the mean of its divisors is an integer number (444633890085).

Almost surely, 2^{11242221231144} is an apocalyptic number.

It is an amenable number.

11242221231144 is an abundant number, since it is smaller than the sum of its proper divisors (17214347734296).

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

11242221231144 is a wasteful number, since it uses less digits than its factorization.

11242221231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459370 (or 2459366 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

Adding to 11242221231144 its reverse (44113212224211), we get a palindrome (55355433455355).

The spelling of 11242221231144 in words is "eleven trillion, two hundred forty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred forty-four".