2133332323021 has 4 divisors (see below), whose sum is σ = 2133613439100. Its totient is φ = 2133051206944.

The previous prime is 2133332323019. The next prime is 2133332323043. The reversal of 2133332323021 is 1203232333312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1161353230921 + 971979092100 = 1077661^2 + 985890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133332323021 - 2¹ = 2133332323019 is a prime.

It is a super-2 number, since 2×2133332323021² (a number of 25 digits) 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 (2133332323051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140546656 + ... + 140561833.

It is an arithmetic number, because the mean of its divisors is an integer number (533403359775).

Almost surely, 2^{2133332323021} is an apocalyptic number.

It is an amenable number.

2133332323021 is a deficient number, since it is larger than the sum of its proper divisors (281116079).

2133332323021 is an equidigital number, since it uses as much as digits as its factorization.

2133332323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281116078.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 2133332323021 its reverse (1203232333312), we get a palindrome (3336564656333).

The spelling of 2133332323021 in words is "two trillion, one hundred thirty-three billion, three hundred thirty-two million, three hundred twenty-three thousand, twenty-one".