21202322419 has 2 divisors, whose sum is σ = 21202322420. Its totient is φ = 21202322418.

The previous prime is 21202322387. The next prime is 21202322441. The reversal of 21202322419 is 91422320212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21202322419 - 2⁵ = 21202322387 is a prime.

It is a super-2 number, since 2×21202322419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21202322459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601161209 + 10601161210.

It is an arithmetic number, because the mean of its divisors is an integer number (10601161210).

Almost surely, 2^21202322419 is an apocalyptic number.

21202322419 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202322419 is an equidigital number, since it uses as much as digits as its factorization.

21202322419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 21202322419 in words is "twenty-one billion, two hundred two million, three hundred twenty-two thousand, four hundred nineteen".