21433341322242 has 12 divisors (see below), whose sum is σ = 46438906198230. Its totient is φ = 7144447107408.

The previous prime is 21433341322207. The next prime is 21433341322249. The reversal of 21433341322242 is 24222314333412.

21433341322242 is a `hidden beast` number, since 2 + 1 + 43 + 3 + 341 + 32 + 2 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20765510772561 + 667830549681 = 4556919^2 + 817209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21433341322197 and 21433341322206.

It is not an unprimeable number, because it can be changed into a prime (21433341322249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595370592267 + ... + 595370592302.

Almost surely, 2^{21433341322242} is an apocalyptic number.

21433341322242 is an abundant number, since it is smaller than the sum of its proper divisors (25005564875988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21433341322242 is a wasteful number, since it uses less digits than its factorization.

21433341322242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190741184577 (or 1190741184574 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 21433341322242 its reverse (24222314333412), we get a palindrome (45655655655654).

The spelling of 21433341322242 in words is "twenty-one trillion, four hundred thirty-three billion, three hundred forty-one million, three hundred twenty-two thousand, two hundred forty-two".