21233201299 has 2 divisors, whose sum is σ = 21233201300. Its totient is φ = 21233201298.

The previous prime is 21233201281. The next prime is 21233201321. The reversal of 21233201299 is 99210233212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21233201299 - 2²³ = 21224812691 is a prime.

It is not a weakly prime, because it can be changed into another prime (21233201599) 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, 10616600649 + 10616600650.

It is an arithmetic number, because the mean of its divisors is an integer number (10616600650).

Almost surely, 2^21233201299 is an apocalyptic number.

21233201299 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233201299 is an equidigital number, since it uses as much as digits as its factorization.

21233201299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 21233201299 in words is "twenty-one billion, two hundred thirty-three million, two hundred one thousand, two hundred ninety-nine".