21883338412 has 12 divisors (see below), whose sum is σ = 41241676336. Its totient is φ = 10100002320.

The previous prime is 21883338391. The next prime is 21883338427. The reversal of 21883338412 is 21483338812.

It is a super-2 number, since 2×21883338412² (a number of 21 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 3 ways as a sum of consecutive naturals, for example, 210416664 + ... + 210416767.

Almost surely, 2^21883338412 is an apocalyptic number.

It is an amenable number.

21883338412 is a deficient number, since it is larger than the sum of its proper divisors (19358337924).

21883338412 is a wasteful number, since it uses less digits than its factorization.

21883338412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420833448 (or 420833446 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The spelling of 21883338412 in words is "twenty-one billion, eight hundred eighty-three million, three hundred thirty-eight thousand, four hundred twelve".