21022314407 has 2 divisors, whose sum is σ = 21022314408. Its totient is φ = 21022314406.

The previous prime is 21022314389. The next prime is 21022314413. The reversal of 21022314407 is 70441322012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21022314407 - 2¹⁰ = 21022313383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21022314307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511157203 + 10511157204.

It is an arithmetic number, because the mean of its divisors is an integer number (10511157204).

Almost surely, 2^21022314407 is an apocalyptic number.

21022314407 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022314407 is an equidigital number, since it uses as much as digits as its factorization.

21022314407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 21022314407 its reverse (70441322012), we get a palindrome (91463636419).

The spelling of 21022314407 in words is "twenty-one billion, twenty-two million, three hundred fourteen thousand, four hundred seven".