It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3201501802 = 2 ⋅1600750901.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2081051023 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 22081051023 is an apocalyptic number.
2081051023 is an equidigital number, since it uses as much as digits as its factorization.
2081051023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105664.
The square root of 2081051023 is about 45618.5381506247. The cubic root of 2081051023 is about 1276.7158286584.
Adding to 2081051023 its reverse (3201501802), we get a palindrome (5282552825).
The spelling of 2081051023 in words is "two billion, eighty-one million, fifty-one thousand, twenty-three".