21010223232333 has 24 divisors (see below), whose sum is σ = 30363442686720. Its totient is φ = 13999736121120.

The previous prime is 21010223232287. The next prime is 21010223232367. The reversal of 21010223232333 is 33323232201012.

21010223232333 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 0 + 2 + 2 + 323 + 2 + 333 = 666.

It is not a de Polignac number, because 21010223232333 - 2¹² = 21010223228237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21010223232297 and 21010223232306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010223282333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150997288 + ... + 151136366.

It is an arithmetic number, because the mean of its divisors is an integer number (1265143445280).

Almost surely, 2^{21010223232333} is an apocalyptic number.

It is an amenable number.

21010223232333 is a deficient number, since it is larger than the sum of its proper divisors (9353219454387).

21010223232333 is a wasteful number, since it uses less digits than its factorization.

21010223232333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147449 (or 147446 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21010223232333 its reverse (33323232201012), we get a palindrome (54333455433345).

The spelling of 21010223232333 in words is "twenty-one trillion, ten billion, two hundred twenty-three million, two hundred thirty-two thousand, three hundred thirty-three".