11000120020000 has 240 divisors, whose sum is σ = 27388219364352. Its totient is φ = 4347221120000.

The previous prime is 11000120019989. The next prime is 11000120020009. The reversal of 11000120020000 is 2002100011.

It is not an unprimeable number, because it can be changed into a prime (11000120020009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 819613290 + ... + 819626710.

Almost surely, 2^{11000120020000} is an apocalyptic number.

11000120020000 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 11000120020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13694109682176).

11000120020000 is an abundant number, since it is smaller than the sum of its proper divisors (16388099344352).

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

11000120020000 is a wasteful number, since it uses less digits than its factorization.

11000120020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13941 (or 13918 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11000120020000 its reverse (2002100011), we get a palindrome (11002122120011).

The spelling of 11000120020000 in words is "eleven trillion, one hundred twenty million, twenty thousand".