11002221103220 has 48 divisors (see below), whose sum is σ = 24465181256208. Its totient is φ = 4141772390400.

The previous prime is 11002221103201. The next prime is 11002221103253. The reversal of 11002221103220 is 2230112220011.

It can be written as a sum of positive squares in 8 ways, for example, as 45247245796 + 10956973857424 = 212714^2 + 3310132^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4986524 + ... + 6846156.

It is an arithmetic number, because the mean of its divisors is an integer number (509691276171).

Almost surely, 2^{11002221103220} is an apocalyptic number.

11002221103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002221103220 is an abundant number, since it is smaller than the sum of its proper divisors (13462960152988).

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

11002221103220 is a wasteful number, since it uses less digits than its factorization.

11002221103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877060 (or 1877058 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11002221103220 its reverse (2230112220011), we get a palindrome (13232333323231).

The spelling of 11002221103220 in words is "eleven trillion, two billion, two hundred twenty-one million, one hundred three thousand, two hundred twenty".