10010121019 has 4 divisors (see below), whose sum is σ = 10445343696. Its totient is φ = 9574898344.

The previous prime is 10010120963. The next prime is 10010121029. The reversal of 10010121019 is 91012101001.

10010121019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10010121019 - 2⁷ = 10010120891 is a prime.

It is a super-2 number, since 2×10010121019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010120993 and 10010121011.

It is not an unprimeable number, because it can be changed into a prime (10010121029) 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 3 ways as a sum of consecutive naturals, for example, 217611304 + ... + 217611349.

It is an arithmetic number, because the mean of its divisors is an integer number (2611335924).

Almost surely, 2^10010121019 is an apocalyptic number.

10010121019 is a deficient number, since it is larger than the sum of its proper divisors (435222677).

10010121019 is an equidigital number, since it uses as much as digits as its factorization.

10010121019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435222676.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 10010121019 in words is "ten billion, ten million, one hundred twenty-one thousand, nineteen".