11221055104 has 32 divisors (see below), whose sum is σ = 25547940000. Its totient is φ = 4809023232.

The previous prime is 11221055077. The next prime is 11221055107. The reversal of 11221055104 is 40155012211.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (11221055107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6260854 + ... + 6262645.

It is an arithmetic number, because the mean of its divisors is an integer number (798373125).

Almost surely, 2^11221055104 is an apocalyptic number.

11221055104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11221055104 is an abundant number, since it is smaller than the sum of its proper divisors (14326884896).

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

11221055104 is an equidigital number, since it uses as much as digits as its factorization.

11221055104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523520 (or 12523508 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 11221055104 its reverse (40155012211), we get a palindrome (51376067315).

The spelling of 11221055104 in words is "eleven billion, two hundred twenty-one million, fifty-five thousand, one hundred four".