21238094107 has 8 divisors (see below), whose sum is σ = 21261530880. Its totient is φ = 21214674240.

The previous prime is 21238094099. The next prime is 21238094147. The reversal of 21238094107 is 70149083212.

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

It is a cyclic number.

It is not a de Polignac number, because 21238094107 - 2³ = 21238094099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21238094147) 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 7 ways as a sum of consecutive naturals, for example, 6261382 + ... + 6264772.

It is an arithmetic number, because the mean of its divisors is an integer number (2657691360).

Almost surely, 2^21238094107 is an apocalyptic number.

21238094107 is a deficient number, since it is larger than the sum of its proper divisors (23436773).

21238094107 is a wasteful number, since it uses less digits than its factorization.

21238094107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 21238094107 in words is "twenty-one billion, two hundred thirty-eight million, ninety-four thousand, one hundred seven".