22141340214421 has 2 divisors, whose sum is σ = 22141340214422. Its totient is φ = 22141340214420.

The previous prime is 22141340214407. The next prime is 22141340214449. The reversal of 22141340214421 is 12441204314122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17208898986321 + 4932441228100 = 4148361^2 + 2220910^2 .

It is a cyclic number.

It is not a de Polignac number, because 22141340214421 - 2¹⁷ = 22141340083349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22141340244421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070670107210 + 11070670107211.

It is an arithmetic number, because the mean of its divisors is an integer number (11070670107211).

Almost surely, 2^{22141340214421} is an apocalyptic number.

It is an amenable number.

22141340214421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22141340214421 is an equidigital number, since it uses as much as digits as its factorization.

22141340214421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 22141340214421 its reverse (12441204314122), we get a palindrome (34582544528543).

The spelling of 22141340214421 in words is "twenty-two trillion, one hundred forty-one billion, three hundred forty million, two hundred fourteen thousand, four hundred twenty-one".