2133142404221 has 4 divisors (see below), whose sum is σ = 2133182890332. Its totient is φ = 2133101918112.

The previous prime is 2133142404209. The next prime is 2133142404277. The reversal of 2133142404221 is 1224042413312.

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 2046656416996 + 86485987225 = 1430614^2 + 294085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133142404221 - 2¹⁴ = 2133142387837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133142404521) 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, 20163920 + ... + 20269433.

It is an arithmetic number, because the mean of its divisors is an integer number (533295722583).

Almost surely, 2^{2133142404221} is an apocalyptic number.

It is an amenable number.

2133142404221 is a deficient number, since it is larger than the sum of its proper divisors (40486111).

2133142404221 is an equidigital number, since it uses as much as digits as its factorization.

2133142404221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40486110.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2133142404221 its reverse (1224042413312), we get a palindrome (3357184817533).

Subtracting from 2133142404221 its reverse (1224042413312), we obtain a palindrome (909099990909).

The spelling of 2133142404221 in words is "two trillion, one hundred thirty-three billion, one hundred forty-two million, four hundred four thousand, two hundred twenty-one".