11002100204420 has 24 divisors (see below), whose sum is σ = 24881672770584. Its totient is φ = 4062313921536.

The previous prime is 11002100204411. The next prime is 11002100204429. The reversal of 11002100204420 is 2440200120011.

It is an interprime number because it is at equal distance from previous prime (11002100204411) and next prime (11002100204429).

It can be written as a sum of positive squares in 4 ways, for example, as 760666554244 + 10241433650176 = 872162^2 + 3200224^2 .

It is not an unprimeable number, because it can be changed into a prime (11002100204429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21157884749 + ... + 21157885268.

It is an arithmetic number, because the mean of its divisors is an integer number (1036736365441).

Almost surely, 2^{11002100204420} is an apocalyptic number.

11002100204420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002100204420 is an abundant number, since it is smaller than the sum of its proper divisors (13879572566164).

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

11002100204420 is a wasteful number, since it uses less digits than its factorization.

11002100204420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42315770039 (or 42315770037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11002100204420 its reverse (2440200120011), we get a palindrome (13442300324431).

The spelling of 11002100204420 in words is "eleven trillion, two billion, one hundred million, two hundred four thousand, four hundred twenty".