21232122333 has 16 divisors (see below), whose sum is σ = 28623269376. Its totient is φ = 13998190400.

The previous prime is 21232122313. The next prime is 21232122377. The reversal of 21232122333 is 33322123212.

It is a cyclic number.

It is not a de Polignac number, because 21232122333 - 2⁹ = 21232121821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232122313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220891 + ... + 302087.

It is an arithmetic number, because the mean of its divisors is an integer number (1788954336).

Almost surely, 2^21232122333 is an apocalyptic number.

It is an amenable number.

21232122333 is a deficient number, since it is larger than the sum of its proper divisors (7391147043).

21232122333 is a wasteful number, since it uses less digits than its factorization.

21232122333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82164.

The product of its digits is 2592, while the sum is 24.

Adding to 21232122333 its reverse (33322123212), we get a palindrome (54554245545).

The spelling of 21232122333 in words is "twenty-one billion, two hundred thirty-two million, one hundred twenty-two thousand, three hundred thirty-three".