10121889866 has 8 divisors (see below), whose sum is σ = 16563092544. Its totient is φ = 4600859020.

The previous prime is 10121889853. The next prime is 10121889871. The reversal of 10121889866 is 66898812101.

10121889866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 230042930 + ... + 230042973.

It is an arithmetic number, because the mean of its divisors is an integer number (2070386568).

Almost surely, 2^10121889866 is an apocalyptic number.

10121889866 is a deficient number, since it is larger than the sum of its proper divisors (6441202678).

10121889866 is a wasteful number, since it uses less digits than its factorization.

10121889866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460085916.

The product of its (nonzero) digits is 331776, while the sum is 50.

The spelling of 10121889866 in words is "ten billion, one hundred twenty-one million, eight hundred eighty-nine thousand, eight hundred sixty-six".