21022033132 has 6 divisors (see below), whose sum is σ = 36788557988. Its totient is φ = 10511016564.

The previous prime is 21022033099. The next prime is 21022033139. The reversal of 21022033132 is 23133022012.

It is not an unprimeable number, because it can be changed into a prime (21022033139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627754138 + ... + 2627754145.

Almost surely, 2^21022033132 is an apocalyptic number.

It is an amenable number.

21022033132 is a deficient number, since it is larger than the sum of its proper divisors (15766524856).

21022033132 is a wasteful number, since it uses less digits than its factorization.

21022033132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255508287 (or 5255508285 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21022033132 its reverse (23133022012), we get a palindrome (44155055144).

The spelling of 21022033132 in words is "twenty-one billion, twenty-two million, thirty-three thousand, one hundred thirty-two".