210221101132 has 24 divisors (see below), whose sum is σ = 420466384800. Its totient is φ = 90089575680.

The previous prime is 210221101121. The next prime is 210221101169. The reversal of 210221101132 is 231101122012.

It is a super-2 number, since 2×210221101132² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301332 + ... + 715012.

It is an arithmetic number, because the mean of its divisors is an integer number (17519432700).

Almost surely, 2^210221101132 is an apocalyptic number.

It is an amenable number.

210221101132 is an abundant number, since it is smaller than the sum of its proper divisors (210245283668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210221101132 is a wasteful number, since it uses less digits than its factorization.

210221101132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431841 (or 431839 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 210221101132 its reverse (231101122012), we get a palindrome (441322223144).

The spelling of 210221101132 in words is "two hundred ten billion, two hundred twenty-one million, one hundred one thousand, one hundred thirty-two".