It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122212021211011 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122212021211011.
Almost surely, 2122212021211011 is an apocalyptic number.
122212021211011 is an equidigital number, since it uses as much as digits as its factorization.
122212021211011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91017988.
Adding to 122212021211011 its reverse (110112120212221), we get a palindrome (232324141423232).
The spelling of 122212021211011 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred eleven thousand, eleven".