2121035266 has 12 divisors (see below), whose sum is σ = 3700990278. Its totient is φ = 909015072.

The previous prime is 2121035237. The next prime is 2121035297. The reversal of 2121035266 is 6625301212.

It can be written as a sum of positive squares in only one way, i.e., 1790559225 + 330476041 = 42315^2 + 18179^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10821511 + ... + 10821706.

Almost surely, 2^2121035266 is an apocalyptic number.

2121035266 is a deficient number, since it is larger than the sum of its proper divisors (1579955012).

2121035266 is a wasteful number, since it uses less digits than its factorization.

2121035266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643233 (or 21643226 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2121035266 is about 46054.6986310843. The cubic root of 2121035266 is about 1284.8407330352.

Adding to 2121035266 its reverse (6625301212), we get a palindrome (8746336478).

The spelling of 2121035266 in words is "two billion, one hundred twenty-one million, thirty-five thousand, two hundred sixty-six".