213210021033 has 24 divisors (see below), whose sum is σ = 310957055136. Its totient is φ = 140762318400.

The previous prime is 213210021029. The next prime is 213210021043. The reversal of 213210021033 is 330120012312.

213210021033 is a `hidden beast` number, since 213 + 210 + 0 + 210 + 33 = 666.

213210021033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213210021033 - 2² = 213210021029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213210020997 and 213210021015.

It is not an unprimeable number, because it can be changed into a prime (213210021043) 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 23 ways as a sum of consecutive naturals, for example, 2823813 + ... + 2898333.

It is an arithmetic number, because the mean of its divisors is an integer number (12956543964).

Almost surely, 2^213210021033 is an apocalyptic number.

It is an amenable number.

213210021033 is a deficient number, since it is larger than the sum of its proper divisors (97747034103).

213210021033 is a wasteful number, since it uses less digits than its factorization.

213210021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77605 (or 77602 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213210021033 its reverse (330120012312), we get a palindrome (543330033345).

The spelling of 213210021033 in words is "two hundred thirteen billion, two hundred ten million, twenty-one thousand, thirty-three".