21700733102 has 8 divisors (see below), whose sum is σ = 32553067512. Its totient is φ = 10849710600.

The previous prime is 21700733083. The next prime is 21700733107. The reversal of 21700733102 is 20133700712.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21700733107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285524 + ... + 353447.

It is an arithmetic number, because the mean of its divisors is an integer number (4069133439).

Almost surely, 2^21700733102 is an apocalyptic number.

21700733102 is a deficient number, since it is larger than the sum of its proper divisors (10852334410).

21700733102 is a wasteful number, since it uses less digits than its factorization.

21700733102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655954.

The product of its (nonzero) digits is 1764, while the sum is 26.

The spelling of 21700733102 in words is "twenty-one billion, seven hundred million, seven hundred thirty-three thousand, one hundred two".