2121332133 has 8 divisors (see below), whose sum is σ = 2828887200. Its totient is φ = 1413999248.

The previous prime is 2121332099. The next prime is 2121332149. The reversal of 2121332133 is 3312331212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121332133 - 2¹⁶ = 2121266597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121332153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31818 + ... + 72491.

It is an arithmetic number, because the mean of its divisors is an integer number (353610900).

Almost surely, 2^2121332133 is an apocalyptic number.

It is an amenable number.

2121332133 is a deficient number, since it is larger than the sum of its proper divisors (707555067).

2121332133 is a wasteful number, since it uses less digits than its factorization.

2121332133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111091.

The product of its digits is 648, while the sum is 21.

The square root of 2121332133 is about 46057.9215010838. The cubic root of 2121332133 is about 1284.9006737359.

Adding to 2121332133 its reverse (3312331212), we get a palindrome (5433663345).

The spelling of 2121332133 in words is "two billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred thirty-three".