21424104133283 has 2 divisors, whose sum is σ = 21424104133284. Its totient is φ = 21424104133282.

The previous prime is 21424104133141. The next prime is 21424104133321. The reversal of 21424104133283 is 38233140142412.

It is an a-pointer prime, because the next prime (21424104133321) can be obtained adding 21424104133283 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21424104133283 - 2¹⁰ = 21424104132259 is a prime.

It is not a weakly prime, because it can be changed into another prime (21424104133583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10712052066641 + 10712052066642.

It is an arithmetic number, because the mean of its divisors is an integer number (10712052066642).

Almost surely, 2^{21424104133283} is an apocalyptic number.

21424104133283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21424104133283 is an equidigital number, since it uses as much as digits as its factorization.

21424104133283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 21424104133283 its reverse (38233140142412), we get a palindrome (59657244275695).

The spelling of 21424104133283 in words is "twenty-one trillion, four hundred twenty-four billion, one hundred four million, one hundred thirty-three thousand, two hundred eighty-three".