11100221011120 has 80 divisors (see below), whose sum is σ = 28042663726080. Its totient is φ = 4070709216000.

The previous prime is 11100221011097. The next prime is 11100221011129. The reversal of 11100221011120 is 2111012200111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 11100221011120.

It is not an unprimeable number, because it can be changed into a prime (11100221011129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117739606 + ... + 117833845.

It is an arithmetic number, because the mean of its divisors is an integer number (350533296576).

Almost surely, 2^{11100221011120} is an apocalyptic number.

11100221011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100221011120 is an abundant number, since it is smaller than the sum of its proper divisors (16942442714960).

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

11100221011120 is a wasteful number, since it uses less digits than its factorization.

11100221011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235573514 (or 235573508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11100221011120 its reverse (2111012200111), we get a palindrome (13211233211231).

The spelling of 11100221011120 in words is "eleven trillion, one hundred billion, two hundred twenty-one million, eleven thousand, one hundred twenty".