21442011024407 has 2 divisors, whose sum is σ = 21442011024408. Its totient is φ = 21442011024406.

The previous prime is 21442011024367. The next prime is 21442011024433. The reversal of 21442011024407 is 70442011024412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21442011024407 - 2¹⁰ = 21442011023383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21442011024107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10721005512203 + 10721005512204.

It is an arithmetic number, because the mean of its divisors is an integer number (10721005512204).

Almost surely, 2^{21442011024407} is an apocalyptic number.

21442011024407 is a deficient number, since it is larger than the sum of its proper divisors (1).

21442011024407 is an equidigital number, since it uses as much as digits as its factorization.

21442011024407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 32.

Adding to 21442011024407 its reverse (70442011024412), we get a palindrome (91884022048819).

The spelling of 21442011024407 in words is "twenty-one trillion, four hundred forty-two billion, eleven million, twenty-four thousand, four hundred seven".