22121210459 has 2 divisors, whose sum is σ = 22121210460. Its totient is φ = 22121210458.

The previous prime is 22121210431. The next prime is 22121210467. The reversal of 22121210459 is 95401212122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121210459 - 2²⁰ = 22120161883 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121210429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060605229 + 11060605230.

It is an arithmetic number, because the mean of its divisors is an integer number (11060605230).

Almost surely, 2^22121210459 is an apocalyptic number.

22121210459 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121210459 is an equidigital number, since it uses as much as digits as its factorization.

22121210459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 22121210459 in words is "twenty-two billion, one hundred twenty-one million, two hundred ten thousand, four hundred fifty-nine".