10010121999 has 8 divisors (see below), whose sum is σ = 13347308160. Its totient is φ = 6673175256.

The previous prime is 10010121983. The next prime is 10010122037. The reversal of 10010121999 is 99912101001.

10010121999 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 not a de Polignac number, because 10010121999 - 2⁴ = 10010121983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010121799) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94774 + ... + 170300.

It is an arithmetic number, because the mean of its divisors is an integer number (1668413520).

Almost surely, 2^10010121999 is an apocalyptic number.

10010121999 is a deficient number, since it is larger than the sum of its proper divisors (3337186161).

10010121999 is an equidigital number, since it uses as much as digits as its factorization.

10010121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119709.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 10010121999 in words is "ten billion, ten million, one hundred twenty-one thousand, nine hundred ninety-nine".