21233001332213 has 12 divisors (see below), whose sum is σ = 23381420428800. Its totient is φ = 19267440071880.

The previous prime is 21233001332203. The next prime is 21233001332293. The reversal of 21233001332213 is 31223310033212.

It is not a de Polignac number, because 21233001332213 - 2⁸ = 21233001331957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233001332203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160335413 + ... + 160467786.

It is an arithmetic number, because the mean of its divisors is an integer number (1948451702400).

Almost surely, 2^{21233001332213} is an apocalyptic number.

It is an amenable number.

21233001332213 is a deficient number, since it is larger than the sum of its proper divisors (2148419096587).

21233001332213 is a wasteful number, since it uses less digits than its factorization.

21233001332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320803768 (or 320803757 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21233001332213 its reverse (31223310033212), we get a palindrome (52456311365425).

The spelling of 21233001332213 in words is "twenty-one trillion, two hundred thirty-three billion, one million, three hundred thirty-two thousand, two hundred thirteen".