22411321144021 has 2 divisors, whose sum is σ = 22411321144022. Its totient is φ = 22411321144020.

The previous prime is 22411321143997. The next prime is 22411321144087. The reversal of 22411321144021 is 12044112311422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12027620503396 + 10383700640625 = 3468086^2 + 3222375^2 .

It is a cyclic number.

It is not a de Polignac number, because 22411321144021 - 2³³ = 22402731209429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22411321144621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11205660572010 + 11205660572011.

It is an arithmetic number, because the mean of its divisors is an integer number (11205660572011).

Almost surely, 2^{22411321144021} is an apocalyptic number.

It is an amenable number.

22411321144021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22411321144021 is an equidigital number, since it uses as much as digits as its factorization.

22411321144021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 22411321144021 its reverse (12044112311422), we get a palindrome (34455433455443).

The spelling of 22411321144021 in words is "twenty-two trillion, four hundred eleven billion, three hundred twenty-one million, one hundred forty-four thousand, twenty-one".