11120221210000 has 200 divisors, whose sum is σ = 31397289651200. Its totient is φ = 3812646096000.

The previous prime is 11120221209991. The next prime is 11120221210039. The reversal of 11120221210000 is 1212202111.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1808977 + ... + 5051023.

It is an arithmetic number, because the mean of its divisors is an integer number (156986448256).

Almost surely, 2^{11120221210000} is an apocalyptic number.

11120221210000 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 11120221210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15698644825600).

11120221210000 is an abundant number, since it is smaller than the sum of its proper divisors (20277068441200).

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

11120221210000 is an frugal number, since it uses more digits than its factorization.

11120221210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242096 (or 3242061 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11120221210000 its reverse (1212202111), we get a palindrome (11121433412111).

The spelling of 11120221210000 in words is "eleven trillion, one hundred twenty billion, two hundred twenty-one million, two hundred ten thousand".