11220020322212 has 12 divisors (see below), whose sum is σ = 21145422915036. Its totient is φ = 5178470917920.

The previous prime is 11220020322187. The next prime is 11220020322229. The reversal of 11220020322212 is 21222302002211.

It can be written as a sum of positive squares in 2 ways, for example, as 5934407812096 + 5285612510116 = 2436064^2 + 2299046^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107884810739 + ... + 107884810842.

It is an arithmetic number, because the mean of its divisors is an integer number (1762118576253).

Almost surely, 2^{11220020322212} is an apocalyptic number.

It is an amenable number.

11220020322212 is a deficient number, since it is larger than the sum of its proper divisors (9925402592824).

11220020322212 is a wasteful number, since it uses less digits than its factorization.

11220020322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215769621598 (or 215769621596 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11220020322212 its reverse (21222302002211), we get a palindrome (32442322324423).

The spelling of 11220020322212 in words is "eleven trillion, two hundred twenty billion, twenty million, three hundred twenty-two thousand, two hundred twelve".