2133342021 has 8 divisors (see below), whose sum is σ = 2994164320. Its totient is φ = 1347373872.

The previous prime is 2133342017. The next prime is 2133342037. The reversal of 2133342021 is 1202433312.

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

It is not a de Polignac number, because 2133342021 - 2² = 2133342017 is a prime.

It is a super-2 number, since 2×2133342021² = 9102296357128728882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133342091) 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 7 ways as a sum of consecutive naturals, for example, 18713470 + ... + 18713583.

It is an arithmetic number, because the mean of its divisors is an integer number (374270540).

Almost surely, 2^2133342021 is an apocalyptic number.

It is an amenable number.

2133342021 is a deficient number, since it is larger than the sum of its proper divisors (860822299).

2133342021 is a wasteful number, since it uses less digits than its factorization.

2133342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37427075.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2133342021 is about 46188.1155818247. The cubic root of 2133342021 is about 1287.3209269405.

Adding to 2133342021 its reverse (1202433312), we get a palindrome (3335775333).

The spelling of 2133342021 in words is "two billion, one hundred thirty-three million, three hundred forty-two thousand, twenty-one".