21232010001333 has 4 divisors (see below), whose sum is σ = 28309346668448. Its totient is φ = 14154673334220.

The previous prime is 21232010001263. The next prime is 21232010001337. The reversal of 21232010001333 is 33310001023212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21232010001333 - 2¹⁸ = 21232009739189 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 (21232010001337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3538668333553 + ... + 3538668333558.

It is an arithmetic number, because the mean of its divisors is an integer number (7077336667112).

Almost surely, 2^{21232010001333} is an apocalyptic number.

It is an amenable number.

21232010001333 is a deficient number, since it is larger than the sum of its proper divisors (7077336667115).

21232010001333 is an equidigital number, since it uses as much as digits as its factorization.

21232010001333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077336667114.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21232010001333 its reverse (33310001023212), we get a palindrome (54542011024545).

The spelling of 21232010001333 in words is "twenty-one trillion, two hundred thirty-two billion, ten million, one thousand, three hundred thirty-three".