10010205021 has 8 divisors (see below), whose sum is σ = 13383309184. Its totient is φ = 6655285440.

The previous prime is 10010205019. The next prime is 10010205031. The reversal of 10010205021 is 12050201001.

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

It is not a de Polignac number, because 10010205021 - 2¹ = 10010205019 is a prime.

It is a super-2 number, since 2×10010205021² (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 = 10010204988 and 10010205006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010205011) 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, 4544860 + ... + 4547061.

It is an arithmetic number, because the mean of its divisors is an integer number (1672913648).

Almost surely, 2^10010205021 is an apocalyptic number.

It is an amenable number.

10010205021 is a deficient number, since it is larger than the sum of its proper divisors (3373104163).

10010205021 is an equidigital number, since it uses as much as digits as its factorization.

10010205021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092291.

The product of its (nonzero) digits is 20, while the sum is 12.

Adding to 10010205021 its reverse (12050201001), we get a palindrome (22060406022).

The spelling of 10010205021 in words is "ten billion, ten million, two hundred five thousand, twenty-one".