21232441199 has 2 divisors, whose sum is σ = 21232441200. Its totient is φ = 21232441198.

The previous prime is 21232441183. The next prime is 21232441201. The reversal of 21232441199 is 99114423212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21232441199 - 2⁴ = 21232441183 is a prime.

Together with 21232441201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21232441129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616220599 + 10616220600.

It is an arithmetic number, because the mean of its divisors is an integer number (10616220600).

Almost surely, 2^21232441199 is an apocalyptic number.

21232441199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232441199 is an equidigital number, since it uses as much as digits as its factorization.

21232441199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The spelling of 21232441199 in words is "twenty-one billion, two hundred thirty-two million, four hundred forty-one thousand, one hundred ninety-nine".