21333936118 has 8 divisors (see below), whose sum is σ = 34910077320. Its totient is φ = 9697243680.

The previous prime is 21333936059. The next prime is 21333936131. The reversal of 21333936118 is 81163933312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484862163 + ... + 484862206.

It is an arithmetic number, because the mean of its divisors is an integer number (4363759665).

Almost surely, 2^21333936118 is an apocalyptic number.

21333936118 is a deficient number, since it is larger than the sum of its proper divisors (13576141202).

21333936118 is a wasteful number, since it uses less digits than its factorization.

21333936118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969724382.

The product of its digits is 69984, while the sum is 40.

The spelling of 21333936118 in words is "twenty-one billion, three hundred thirty-three million, nine hundred thirty-six thousand, one hundred eighteen".