11210120020000 has 180 divisors, whose sum is σ = 30313648775718. Its totient is φ = 4076406400000.

The previous prime is 11210120019937. The next prime is 11210120020037. The reversal of 11210120020000 is 2002101211.

It can be written as a sum of positive squares in 5 ways, for example, as 1693610726544 + 9516509293456 = 1301388^2 + 3084884^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 103860 + ... + 4736140.

Almost surely, 2^{11210120020000} is an apocalyptic number.

11210120020000 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 11210120020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15156824387859).

11210120020000 is an abundant number, since it is smaller than the sum of its proper divisors (19103528755718).

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

11210120020000 is an equidigital number, since it uses as much as digits as its factorization.

11210120020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632333 (or 4632299 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11210120020000 its reverse (2002101211), we get a palindrome (11212122121211).

The spelling of 11210120020000 in words is "eleven trillion, two hundred ten billion, one hundred twenty million, twenty thousand".