It is a happy number.
It is a strong prime.
It is a cyclic number.
Almost surely, 2101111001001601 is an apocalyptic number.
It is an amenable number.
101111001001601 is an equidigital number, since it uses as much as digits as its factorization.
101111001001601 is an evil number, because the sum of its binary digits is even.
Adding to 101111001001601 its reverse (106100100111101), we get a palindrome (207211101112702).
The spelling of 101111001001601 in words is "one hundred one trillion, one hundred eleven billion, one million, one thousand, six hundred one".