10021535430205 has 8 divisors (see below), whose sum is σ = 12950907325272. Its totient is φ = 7400518471488.

The previous prime is 10021535430119. The next prime is 10021535430217. The reversal of 10021535430205 is 50203453512001.

10021535430205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 609856350489 + 9411679079716 = 780933^2 + 3067846^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10021535430205 - 2¹⁵ = 10021535397437 is a prime.

It is a super-2 number, since 2×10021535430205² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77088734014 + ... + 77088734143.

It is an arithmetic number, because the mean of its divisors is an integer number (1618863415659).

Almost surely, 2^{10021535430205} is an apocalyptic number.

It is an amenable number.

10021535430205 is a deficient number, since it is larger than the sum of its proper divisors (2929371895067).

10021535430205 is a wasteful number, since it uses less digits than its factorization.

10021535430205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154177468175.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 10021535430205 its reverse (50203453512001), we get a palindrome (60224988942206).

The spelling of 10021535430205 in words is "ten trillion, twenty-one billion, five hundred thirty-five million, four hundred thirty thousand, two hundred five".