11002021100 has 72 divisors (see below), whose sum is σ = 27382601568. Its totient is φ = 3758630400.

The previous prime is 11002021097. The next prime is 11002021111. The reversal of 11002021100 is 112020011.

11002021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168734 + ... + 224666.

Almost surely, 2^11002021100 is an apocalyptic number.

11002021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11002021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13691300784).

11002021100 is an abundant number, since it is smaller than the sum of its proper divisors (16380580468).

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

11002021100 is a wasteful number, since it uses less digits than its factorization.

11002021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56235 (or 56228 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11002021100 its reverse (112020011), we get a palindrome (11114041111).

The spelling of 11002021100 in words is "eleven billion, two million, twenty-one thousand, one hundred".