21022331132 has 48 divisors (see below), whose sum is σ = 40319959680. Its totient is φ = 9511339200.

The previous prime is 21022331081. The next prime is 21022331171. The reversal of 21022331132 is 23113322012.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10525958 + ... + 10527954.

It is an arithmetic number, because the mean of its divisors is an integer number (839999160).

Almost surely, 2^21022331132 is an apocalyptic number.

21022331132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21022331132 is a deficient number, since it is larger than the sum of its proper divisors (19297628548).

21022331132 is a wasteful number, since it uses less digits than its factorization.

21022331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21022331132 its reverse (23113322012), we get a palindrome (44135653144).

The spelling of 21022331132 in words is "twenty-one billion, twenty-two million, three hundred thirty-one thousand, one hundred thirty-two".