21022132030 has 8 divisors (see below), whose sum is σ = 37839837672. Its totient is φ = 8408852808.

The previous prime is 21022131971. The next prime is 21022132031. The reversal of 21022132030 is 3023122012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21022131995 and 21022132013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022132031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051106592 + ... + 1051106611.

It is an arithmetic number, because the mean of its divisors is an integer number (4729979709).

Almost surely, 2^21022132030 is an apocalyptic number.

21022132030 is a deficient number, since it is larger than the sum of its proper divisors (16817705642).

21022132030 is a wasteful number, since it uses less digits than its factorization.

21022132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102213210.

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

Adding to 21022132030 its reverse (3023122012), we get a palindrome (24045254042).

The spelling of 21022132030 in words is "twenty-one billion, twenty-two million, one hundred thirty-two thousand, thirty".