21233201320333 has 2 divisors, whose sum is σ = 21233201320334. Its totient is φ = 21233201320332.

The previous prime is 21233201320327. The next prime is 21233201320339. The reversal of 21233201320333 is 33302310233212.

It is a balanced prime because it is at equal distance from previous prime (21233201320327) and next prime (21233201320339).

It can be written as a sum of positive squares in only one way, i.e., 21162778491204 + 70422829129 = 4600302^2 + 265373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21233201320333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21233201320339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616600660166 + 10616600660167.

It is an arithmetic number, because the mean of its divisors is an integer number (10616600660167).

Almost surely, 2^{21233201320333} is an apocalyptic number.

It is an amenable number.

21233201320333 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233201320333 is an equidigital number, since it uses as much as digits as its factorization.

21233201320333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21233201320333 its reverse (33302310233212), we get a palindrome (54535511553545).

The spelling of 21233201320333 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred one million, three hundred twenty thousand, three hundred thirty-three".