2121033211 has 16 divisors (see below), whose sum is σ = 2350293120. Its totient is φ = 1898017920.

The previous prime is 2121033193. The next prime is 2121033217. The reversal of 2121033211 is 1123301212.

It is a cyclic number.

It is not a de Polignac number, because 2121033211 - 2¹³ = 2121025019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121033217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254275 + ... + 262483.

It is an arithmetic number, because the mean of its divisors is an integer number (146893320).

Almost surely, 2^2121033211 is an apocalyptic number.

2121033211 is a deficient number, since it is larger than the sum of its proper divisors (229259909).

2121033211 is a wasteful number, since it uses less digits than its factorization.

2121033211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2121033211 is about 46054.6763206517. The cubic root of 2121033211 is about 1284.8403180887.

Adding to 2121033211 its reverse (1123301212), we get a palindrome (3244334423).

The spelling of 2121033211 in words is "two billion, one hundred twenty-one million, thirty-three thousand, two hundred eleven".