11031220044224 has 112 divisors (see below), whose sum is σ = 22249550510208. Its totient is φ = 5425892533248.

The previous prime is 11031220044211. The next prime is 11031220044259. The reversal of 11031220044224 is 42244002213011.

It is a junction number, because it is equal to n+sod(n) for n = 11031220044193 and 11031220044202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567819599 + ... + 567839025.

It is an arithmetic number, because the mean of its divisors is an integer number (198656700984).

Almost surely, 2^{11031220044224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031220044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11124775255104).

11031220044224 is an abundant number, since it is smaller than the sum of its proper divisors (11218330465984).

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

11031220044224 is a wasteful number, since it uses less digits than its factorization.

11031220044224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20122 (or 20112 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 11031220044224 its reverse (42244002213011), we get a palindrome (53275222257235).

The spelling of 11031220044224 in words is "eleven trillion, thirty-one billion, two hundred twenty million, forty-four thousand, two hundred twenty-four".