11220120212000 has 96 divisors (see below), whose sum is σ = 31506097633920. Its totient is φ = 3846898348800.

The previous prime is 11220120211997. The next prime is 11220120212009. The reversal of 11220120212000 is 21202102211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (11220120212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200331290 + ... + 200387289.

It is an arithmetic number, because the mean of its divisors is an integer number (328188517020).

Almost surely, 2^{11220120212000} is an apocalyptic number.

11220120212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220120212000 is an abundant number, since it is smaller than the sum of its proper divisors (20285977421920).

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

11220120212000 is an equidigital number, since it uses as much as digits as its factorization.

11220120212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400718611 (or 400718593 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220120212000 its reverse (21202102211), we get a palindrome (11241322314211).

The spelling of 11220120212000 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, two hundred twelve thousand".