22055441042421 has 12 divisors (see below), whose sum is σ = 31859186951020. Its totient is φ = 14703014592000.

The previous prime is 22055441042419. The next prime is 22055441042423. The reversal of 22055441042421 is 12424014455022.

22055441042421 is a `hidden beast` number, since 2 + 2 + 0 + 5 + 544 + 104 + 2 + 4 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (22055441042419) and next prime (22055441042423).

It can be written as a sum of positive squares in 2 ways, for example, as 6422985678321 + 15632455364100 = 2534361^2 + 3953790^2 .

It is not a de Polignac number, because 22055441042421 - 2¹ = 22055441042419 is a prime.

It is a super-3 number, since 3×22055441042421³ (a number of 41 digits) contains 333 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 (22055441042423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50836126 + ... + 51268143.

Almost surely, 2^{22055441042421} is an apocalyptic number.

It is an amenable number.

22055441042421 is a deficient number, since it is larger than the sum of its proper divisors (9803745908599).

22055441042421 is a wasteful number, since it uses less digits than its factorization.

22055441042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102128276 (or 102128273 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 22055441042421 its reverse (12424014455022), we get a palindrome (34479455497443).

The spelling of 22055441042421 in words is "twenty-two trillion, fifty-five billion, four hundred forty-one million, forty-two thousand, four hundred twenty-one".