21233021132333 has 8 divisors (see below), whose sum is σ = 21806954864640. Its totient is φ = 20659090994640.

The previous prime is 21233021132287. The next prime is 21233021132347. The reversal of 21233021132333 is 33323112033212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21233021132333 - 2²⁴ = 21233004355117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21233021132296 and 21233021132305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233021132033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14672528 + ... + 16054566.

It is an arithmetic number, because the mean of its divisors is an integer number (2725869358080).

Almost surely, 2^{21233021132333} is an apocalyptic number.

It is an amenable number.

21233021132333 is a deficient number, since it is larger than the sum of its proper divisors (573933732307).

21233021132333 is a wasteful number, since it uses less digits than its factorization.

21233021132333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797307.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21233021132333 its reverse (33323112033212), we get a palindrome (54556133165545).

The spelling of 21233021132333 in words is "twenty-one trillion, two hundred thirty-three billion, twenty-one million, one hundred thirty-two thousand, three hundred thirty-three".