21232330300133 has 16 divisors (see below), whose sum is σ = 21628126623360. Its totient is φ = 20837742621696.

The previous prime is 21232330300127. The next prime is 21232330300141. The reversal of 21232330300133 is 33100303323212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21232330300133 - 2³² = 21228035332837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232330300193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238475441 + ... + 238564457.

It is an arithmetic number, because the mean of its divisors is an integer number (1351757913960).

Almost surely, 2^{21232330300133} is an apocalyptic number.

It is an amenable number.

21232330300133 is a deficient number, since it is larger than the sum of its proper divisors (395796323227).

21232330300133 is an equidigital number, since it uses as much as digits as its factorization.

21232330300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95756.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 21232330300133 its reverse (33100303323212), we get a palindrome (54332633623345).

The spelling of 21232330300133 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty million, three hundred thousand, one hundred thirty-three".