10302143024221 has 8 divisors (see below), whose sum is σ = 10508832186584. Its totient is φ = 10096673267520.

The previous prime is 10302143024209. The next prime is 10302143024287. The reversal of 10302143024221 is 12242034120301.

It can be written as a sum of positive squares in 4 ways, for example, as 586734552196 + 9715408472025 = 765986^2 + 3116955^2 .

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 10302143024221 - 2¹⁵ = 10302142991453 is a prime.

It is a super-2 number, since 2×10302143024221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10300143024221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304834350 + ... + 304868143.

It is an arithmetic number, because the mean of its divisors is an integer number (1313604023323).

Almost surely, 2^{10302143024221} is an apocalyptic number.

It is an amenable number.

10302143024221 is a deficient number, since it is larger than the sum of its proper divisors (206689162363).

10302143024221 is an equidigital number, since it uses as much as digits as its factorization.

10302143024221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609702831.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10302143024221 its reverse (12242034120301), we get a palindrome (22544177144522).

The spelling of 10302143024221 in words is "ten trillion, three hundred two billion, one hundred forty-three million, twenty-four thousand, two hundred twenty-one".