11002221121100 has 72 divisors (see below), whose sum is σ = 26052385665600. Its totient is φ = 3999712801600.

The previous prime is 11002221121093. The next prime is 11002221121123. The reversal of 11002221121100 is 112112220011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2658131 + ... + 5391669.

It is an arithmetic number, because the mean of its divisors is an integer number (361838689800).

Almost surely, 2^{11002221121100} is an apocalyptic number.

11002221121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002221121100 is an abundant number, since it is smaller than the sum of its proper divisors (15050164544500).

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

11002221121100 is a wasteful number, since it uses less digits than its factorization.

11002221121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737223 (or 2737216 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11002221121100 its reverse (112112220011), we get a palindrome (11114333341111).

The spelling of 11002221121100 in words is "eleven trillion, two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred".