21442225141133 has 16 divisors (see below), whose sum is σ = 22549034745600. Its totient is φ = 20363820313536.

The previous prime is 21442225141081. The next prime is 21442225141159. The reversal of 21442225141133 is 33114152224412.

It is a cyclic number.

It is not a de Polignac number, because 21442225141133 - 2³⁶ = 21373505664397 is a prime.

It is a super-2 number, since 2×21442225141133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21442225141093 and 21442225141102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442225141193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2165858 + ... + 6897491.

It is an arithmetic number, because the mean of its divisors is an integer number (1409314671600).

Almost surely, 2^{21442225141133} is an apocalyptic number.

It is an amenable number.

21442225141133 is a deficient number, since it is larger than the sum of its proper divisors (1106809604467).

21442225141133 is a wasteful number, since it uses less digits than its factorization.

21442225141133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064916.

The product of its digits is 46080, while the sum is 35.

Adding to 21442225141133 its reverse (33114152224412), we get a palindrome (54556377365545).

The spelling of 21442225141133 in words is "twenty-one trillion, four hundred forty-two billion, two hundred twenty-five million, one hundred forty-one thousand, one hundred thirty-three".