21030022132 has 12 divisors (see below), whose sum is σ = 42060044320. Its totient is φ = 9012866616.

The previous prime is 21030022093. The next prime is 21030022157. The reversal of 21030022132 is 23122003012.

21030022132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375536082 + ... + 375536137.

Almost surely, 2^21030022132 is an apocalyptic number.

It is an amenable number.

21030022132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21030022132 is a wasteful number, since it uses less digits than its factorization.

21030022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751072230 (or 751072228 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21030022132 its reverse (23122003012), we get a palindrome (44152025144).

The spelling of 21030022132 in words is "twenty-one billion, thirty million, twenty-two thousand, one hundred thirty-two".