11100221120 has 28 divisors (see below), whose sum is σ = 26432402304. Its totient is φ = 4440088320.

The previous prime is 11100221081. The next prime is 11100221137. The reversal of 11100221120 is 2112200111.

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 3 ways as a sum of consecutive naturals, for example, 17343776 + ... + 17344415.

It is an arithmetic number, because the mean of its divisors is an integer number (944014368).

Almost surely, 2^11100221120 is an apocalyptic number.

11100221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100221120 is an abundant number, since it is smaller than the sum of its proper divisors (15332181184).

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

11100221120 is an equidigital number, since it uses as much as digits as its factorization.

11100221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34688208 (or 34688198 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11100221120 its reverse (2112200111), we get a palindrome (13212421231).

The spelling of 11100221120 in words is "eleven billion, one hundred million, two hundred twenty-one thousand, one hundred twenty".