2121103033 has 24 divisors (see below), whose sum is σ = 2644322112. Its totient is φ = 1692006624.

The previous prime is 2121103021. The next prime is 2121103043. The reversal of 2121103033 is 3303011212.

It is not a de Polignac number, because 2121103033 - 2⁵ = 2121103001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121102998 and 2121103016.

It is not an unprimeable number, because it can be changed into a prime (2121103043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16266 + ... + 67132.

It is an arithmetic number, because the mean of its divisors is an integer number (110180088).

Almost surely, 2^2121103033 is an apocalyptic number.

2121103033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2121103033 is a deficient number, since it is larger than the sum of its proper divisors (523219079).

2121103033 is a wasteful number, since it uses less digits than its factorization.

2121103033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50941 (or 50934 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2121103033 is about 46055.4343481852. The cubic root of 2121103033 is about 1284.8544164278.

Adding to 2121103033 its reverse (3303011212), we get a palindrome (5424114245).

The spelling of 2121103033 in words is "two billion, one hundred twenty-one million, one hundred three thousand, thirty-three".