2133332021 has 8 divisors (see below), whose sum is σ = 2179699200. Its totient is φ = 2087005648.

The previous prime is 2133332009. The next prime is 2133332029. The reversal of 2133332021 is 1202333312.

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 2133332021 - 2⁶ = 2133331957 is a prime.

It is a super-2 number, since 2×2133332021² = 9102211023647888882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2133331984 and 2133332002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133332029) 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, 110900 + ... + 128706.

It is an arithmetic number, because the mean of its divisors is an integer number (272462400).

Almost surely, 2^2133332021 is an apocalyptic number.

It is an amenable number.

2133332021 is a deficient number, since it is larger than the sum of its proper divisors (46367179).

2133332021 is a wasteful number, since it uses less digits than its factorization.

2133332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2133332021 is about 46188.0073287428. The cubic root of 2133332021 is about 1287.3189155066.

Adding to 2133332021 its reverse (1202333312), we get a palindrome (3335665333).

The spelling of 2133332021 in words is "two billion, one hundred thirty-three million, three hundred thirty-two thousand, twenty-one".