It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a congruent number.
Almost surely, 2211220011021103 is an apocalyptic number.
211220011021103 is a wasteful number, since it uses less digits than its factorization.
211220011021103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1968459937.
Adding to 211220011021103 its reverse (301120110022112), we get a palindrome (512340121043215).
The spelling of 211220011021103 in words is "two hundred eleven trillion, two hundred twenty billion, eleven million, twenty-one thousand, one hundred three".