2121002133 has 8 divisors (see below), whose sum is σ = 2893770528. Its totient is φ = 1381117584.

The previous prime is 2121002131. The next prime is 2121002141. The reversal of 2121002133 is 3312001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121002133 - 2¹ = 2121002131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121002131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8220810 + ... + 8221067.

It is an arithmetic number, because the mean of its divisors is an integer number (361721316).

Almost surely, 2^2121002133 is an apocalyptic number.

It is an amenable number.

2121002133 is a deficient number, since it is larger than the sum of its proper divisors (772768395).

2121002133 is a wasteful number, since it uses less digits than its factorization.

2121002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16441923.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2121002133 is about 46054.3389161108. The cubic root of 2121002133 is about 1284.8340427725.

Adding to 2121002133 its reverse (3312001212), we get a palindrome (5433003345).

The spelling of 2121002133 in words is "two billion, one hundred twenty-one million, two thousand, one hundred thirty-three".