It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120011 is a prime.
It is a Chen prime.
2120011 is an apocalyptic number.
120011 is an equidigital number, since it uses as much as digits as its factorization.
120011 is an evil number, because the sum of its binary digits is even.
The square root of 120011 is about 346.4260382823. The cubic root of 120011 is about 49.3257485702.
Adding to 120011 its reverse (110021), we get a palindrome (230032).
Multiplying 120011 by its reverse (110021), we get a palindrome (13203730231).
The spelling of 120011 in words is "one hundred twenty thousand, eleven", and thus it is an iban number.