10007017021 has 4 divisors (see below), whose sum is σ = 10156375552. Its totient is φ = 9857658492.

The previous prime is 10007016991. The next prime is 10007017051. The reversal of 10007017021 is 12071070001.

10007017021 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10007016991) and next prime (10007017051).

It is a cyclic number.

It is not a de Polignac number, because 10007017021 - 2⁵ = 10007016989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10007017021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10007017051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74679165 + ... + 74679298.

It is an arithmetic number, because the mean of its divisors is an integer number (2539093888).

Almost surely, 2^10007017021 is an apocalyptic number.

It is an amenable number.

10007017021 is a deficient number, since it is larger than the sum of its proper divisors (149358531).

10007017021 is an equidigital number, since it uses as much as digits as its factorization.

10007017021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149358530.

The product of its (nonzero) digits is 98, while the sum is 19.

Adding to 10007017021 its reverse (12071070001), we get a palindrome (22078087022).

The spelling of 10007017021 in words is "ten billion, seven million, seventeen thousand, twenty-one".