2121032133 has 24 divisors (see below), whose sum is σ = 3343687776. Its totient is φ = 1284914400.

The previous prime is 2121032119. The next prime is 2121032153. The reversal of 2121032133 is 3312301212.

It is not a de Polignac number, because 2121032133 - 2⁹ = 2121031621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121032153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402391 + ... + 407627.

It is an arithmetic number, because the mean of its divisors is an integer number (139320324).

Almost surely, 2^2121032133 is an apocalyptic number.

It is an amenable number.

2121032133 is a deficient number, since it is larger than the sum of its proper divisors (1222655643).

2121032133 is a wasteful number, since it uses less digits than its factorization.

2121032133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345 (or 9342 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2121032133 is about 46054.6646171699. The cubic root of 2121032133 is about 1284.8401004184.

Adding to 2121032133 its reverse (3312301212), we get a palindrome (5433333345).

The spelling of 2121032133 in words is "two billion, one hundred twenty-one million, thirty-two thousand, one hundred thirty-three".