11041221044 has 24 divisors (see below), whose sum is σ = 22096155648. Its totient is φ = 4729013280.

The previous prime is 11041221041. The next prime is 11041221053. The reversal of 11041221044 is 44012214011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041221041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76244 + ... + 167019.

It is an arithmetic number, because the mean of its divisors is an integer number (920673152).

Almost surely, 2^11041221044 is an apocalyptic number.

11041221044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11041221044 is an abundant number, since it is smaller than the sum of its proper divisors (11054934604).

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

11041221044 is a wasteful number, since it uses less digits than its factorization.

11041221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244895 (or 244893 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11041221044 its reverse (44012214011), we get a palindrome (55053435055).

The spelling of 11041221044 in words is "eleven billion, forty-one million, two hundred twenty-one thousand, forty-four".