Adding to 111012001 its reverse (100210111), we get a palindrome (211222112).
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100210111 = 1297 ⋅77263.
It is a cyclic number.
It is a Duffinian number.
Almost surely, 2111012001 is an apocalyptic number.
It is an amenable number.
111012001 is an equidigital number, since it uses as much as digits as its factorization.
111012001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135710.
The square root of 111012001 is about 10536.2232797146. The cubic root of 111012001 is about 480.6068727321.
The spelling of 111012001 in words is "one hundred eleven million, twelve thousand, one".