Adding to 101201010102221 its reverse (122201010102101), we get a palindrome (223402020204322).
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-101201010102221 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 2101201010102221 is an apocalyptic number.
It is an amenable number.
101201010102221 is an equidigital number, since it uses as much as digits as its factorization.
101201010102221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135610830.
The spelling of 101201010102221 in words is "one hundred one trillion, two hundred one billion, ten million, one hundred two thousand, two hundred twenty-one".