11220144244 has 12 divisors (see below), whose sum is σ = 19637313444. Its totient is φ = 5609483264.

The previous prime is 11220144223. The next prime is 11220144253. The reversal of 11220144244 is 44244102211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8637471844 + 2582672400 = 92938^2 + 50820^2 .

It is a congruent number.

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, 102859 + ... + 181714.

It is an arithmetic number, because the mean of its divisors is an integer number (1636442787).

Almost surely, 2^11220144244 is an apocalyptic number.

It is an amenable number.

11220144244 is a deficient number, since it is larger than the sum of its proper divisors (8417169200).

11220144244 is a wasteful number, since it uses less digits than its factorization.

11220144244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294434 (or 294432 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 11220144244 its reverse (44244102211), we get a palindrome (55464246455).

The spelling of 11220144244 in words is "eleven billion, two hundred twenty million, one hundred forty-four thousand, two hundred forty-four".