11221100212000 has 96 divisors (see below), whose sum is σ = 31508849473920. Its totient is φ = 3847234348800.

The previous prime is 11221100211917. The next prime is 11221100212009. The reversal of 11221100212000 is 21200112211.

It is not an unprimeable number, because it can be changed into a prime (11221100212009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200348790 + ... + 200404789.

It is an arithmetic number, because the mean of its divisors is an integer number (328217182020).

Almost surely, 2^{11221100212000} is an apocalyptic number.

11221100212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221100212000 is an abundant number, since it is smaller than the sum of its proper divisors (20287749261920).

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

11221100212000 is an equidigital number, since it uses as much as digits as its factorization.

11221100212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400753611 (or 400753593 counting only the distinct ones).

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

Adding to 11221100212000 its reverse (21200112211), we get a palindrome (11242300324211).

The spelling of 11221100212000 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, two hundred twelve thousand".