21332212330233 has 32 divisors (see below), whose sum is σ = 33299573029632. Its totient is φ = 11892340454400.

The previous prime is 21332212330217. The next prime is 21332212330301. The reversal of 21332212330233 is 33203321223312.

It is not a de Polignac number, because 21332212330233 - 2⁴ = 21332212330217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21332212330233.

It is not an unprimeable number, because it can be changed into a prime (21332212330333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72032443 + ... + 72327983.

It is an arithmetic number, because the mean of its divisors is an integer number (1040611657176).

Almost surely, 2^{21332212330233} is an apocalyptic number.

It is an amenable number.

21332212330233 is a deficient number, since it is larger than the sum of its proper divisors (11967360699399).

21332212330233 is a wasteful number, since it uses less digits than its factorization.

21332212330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379425.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 21332212330233 its reverse (33203321223312), we get a palindrome (54535533553545).

The spelling of 21332212330233 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred twelve million, three hundred thirty thousand, two hundred thirty-three".