11002221020000 has 480 divisors, whose sum is σ = 31302214884864. Its totient is φ = 3727526400000.

The previous prime is 11002221019991. The next prime is 11002221020033. The reversal of 11002221020000 is 2012220011.

It is a happy number.

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 79 ways as a sum of consecutive naturals, for example, 4823418860 + ... + 4823421140.

Almost surely, 2^{11002221020000} is an apocalyptic number.

11002221020000 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 11002221020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15651107442432).

11002221020000 is an abundant number, since it is smaller than the sum of its proper divisors (20299993864864).

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

11002221020000 is a wasteful number, since it uses less digits than its factorization.

11002221020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11002221020000 its reverse (2012220011), we get a palindrome (11004233240011).

The spelling of 11002221020000 in words is "eleven trillion, two billion, two hundred twenty-one million, twenty thousand".