11221140244 has 24 divisors (see below), whose sum is σ = 19730579400. Its totient is φ = 5583876480.

The previous prime is 11221140211. The next prime is 11221140253. The reversal of 11221140244 is 44204112211.

It can be written as a sum of positive squares in 4 ways, for example, as 2133331344 + 9087808900 = 46188^2 + 95330^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136722 + ... + 1146550.

It is an arithmetic number, because the mean of its divisors is an integer number (822107475).

Almost surely, 2^11221140244 is an apocalyptic number.

It is an amenable number.

11221140244 is a deficient number, since it is larger than the sum of its proper divisors (8509439156).

11221140244 is a wasteful number, since it uses less digits than its factorization.

11221140244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163 (or 11161 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11221140244 its reverse (44204112211), we get a palindrome (55425252455).

The spelling of 11221140244 in words is "eleven billion, two hundred twenty-one million, one hundred forty thousand, two hundred forty-four".