2122143312533 has 4 divisors (see below), whose sum is σ = 2122870824300. Its totient is φ = 2121415800768.

The previous prime is 2122143312439. The next prime is 2122143312599. The reversal of 2122143312533 is 3352133412212.

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 1120976972644 + 1001166339889 = 1058762^2 + 1000583^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122143312533 - 2⁸ = 2122143312277 is a prime.

It is a super-2 number, since 2×2122143312533² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122143312533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122145312533) 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, 363751508 + ... + 363757341.

It is an arithmetic number, because the mean of its divisors is an integer number (530717706075).

Almost surely, 2^{2122143312533} is an apocalyptic number.

It is an amenable number.

2122143312533 is a deficient number, since it is larger than the sum of its proper divisors (727511767).

2122143312533 is an equidigital number, since it uses as much as digits as its factorization.

2122143312533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727511766.

The product of its digits is 25920, while the sum is 32.

Adding to 2122143312533 its reverse (3352133412212), we get a palindrome (5474276724745).

The spelling of 2122143312533 in words is "two trillion, one hundred twenty-two billion, one hundred forty-three million, three hundred twelve thousand, five hundred thirty-three".