Adding to 1211102 its reverse (2011121), we get a palindrome (3222223).
It is a semiprime because it is the product of two primes.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 1211102.
It is a congruent number.
It is an unprimeable number.
21211102 is an apocalyptic number.
1211102 is an equidigital number, since it uses as much as digits as its factorization.
1211102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605553.
The square root of 1211102 is about 1100.5007950929. The cubic root of 1211102 is about 106.5925635486.
The spelling of 1211102 in words is "one million, two hundred eleven thousand, one hundred two".