2011222244044 has 12 divisors (see below), whose sum is σ = 3790380383104. Its totient is φ = 928256420304.

The previous prime is 2011222244029. The next prime is 2011222244047. The reversal of 2011222244044 is 4404422221102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2011222244047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19338675372 + ... + 19338675475.

Almost surely, 2^{2011222244044} is an apocalyptic number.

It is an amenable number.

2011222244044 is a deficient number, since it is larger than the sum of its proper divisors (1779158139060).

2011222244044 is a wasteful number, since it uses less digits than its factorization.

2011222244044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38677350864 (or 38677350862 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 2011222244044 its reverse (4404422221102), we get a palindrome (6415644465146).

The spelling of 2011222244044 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred forty-four thousand, forty-four".