11113421012000 has 384 divisors, whose sum is σ = 29058298214400. Its totient is φ = 4170921984000.

The previous prime is 11113421011981. The next prime is 11113421012051. The reversal of 11113421012000 is 21012431111.

It is a self number, because there is not a number n which added to its sum of digits gives 11113421012000.

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 63 ways as a sum of consecutive naturals, for example, 534057596 + ... + 534078404.

It is an arithmetic number, because the mean of its divisors is an integer number (75672651600).

Almost surely, 2^{11113421012000} is an apocalyptic number.

11113421012000 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 11113421012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14529149107200).

11113421012000 is an abundant number, since it is smaller than the sum of its proper divisors (17944877202400).

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

11113421012000 is a wasteful number, since it uses less digits than its factorization.

11113421012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20997 (or 20979 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11113421012000 its reverse (21012431111), we get a palindrome (11134433443111).

The spelling of 11113421012000 in words is "eleven trillion, one hundred thirteen billion, four hundred twenty-one million, twelve thousand".