10533010221 has 24 divisors (see below), whose sum is σ = 16567356000. Its totient is φ = 6423030432.

The previous prime is 10533010157. The next prime is 10533010237. The reversal of 10533010221 is 12201033501.

10533010221 is a `hidden beast` number, since 10 + 533 + 0 + 102 + 21 = 666.

It is not a de Polignac number, because 10533010221 - 2⁶ = 10533010157 is a prime.

It is a super-2 number, since 2×10533010221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10533010194 and 10533010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10533010021) 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, 1057051 + ... + 1066968.

It is an arithmetic number, because the mean of its divisors is an integer number (690306500).

Almost surely, 2^10533010221 is an apocalyptic number.

It is an amenable number.

10533010221 is a deficient number, since it is larger than the sum of its proper divisors (6034345779).

10533010221 is a wasteful number, since it uses less digits than its factorization.

10533010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124073 (or 2124070 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 10533010221 its reverse (12201033501), we get a palindrome (22734043722).

The spelling of 10533010221 in words is "ten billion, five hundred thirty-three million, ten thousand, two hundred twenty-one".