21322223013019 has 2 divisors, whose sum is σ = 21322223013020. Its totient is φ = 21322223013018.

The previous prime is 21322223012947. The next prime is 21322223013029. The reversal of 21322223013019 is 91031032222312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21322223013019 - 2⁹ = 21322223012507 is a prime.

It is a super-2 number, since 2×21322223013019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21322223013029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661111506509 + 10661111506510.

It is an arithmetic number, because the mean of its divisors is an integer number (10661111506510).

Almost surely, 2^{21322223013019} is an apocalyptic number.

21322223013019 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322223013019 is an equidigital number, since it uses as much as digits as its factorization.

21322223013019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 21322223013019 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred twenty-three million, thirteen thousand, nineteen".