21113433392 has 10 divisors (see below), whose sum is σ = 40907277228. Its totient is φ = 10556716688.

The previous prime is 21113433391. The next prime is 21113433401. The reversal of 21113433392 is 29333431112.

It is not an unprimeable number, because it can be changed into a prime (21113433391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659794778 + ... + 659794809.

Almost surely, 2^21113433392 is an apocalyptic number.

It is an amenable number.

21113433392 is a deficient number, since it is larger than the sum of its proper divisors (19793843836).

21113433392 is a wasteful number, since it uses less digits than its factorization.

21113433392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319589595 (or 1319589589 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The spelling of 21113433392 in words is "twenty-one billion, one hundred thirteen million, four hundred thirty-three thousand, three hundred ninety-two".