102317020133021 has 4 divisors (see below), whose sum is σ = 102317047267452. Its totient is φ = 102316992998592.

The previous prime is 102317020132979. The next prime is 102317020133063. The reversal of 102317020133021 is 120331020713201.

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

It is an interprime number because it is at equal distance from previous prime (102317020132979) and next prime (102317020133063).

It can be written as a sum of positive squares in 2 ways, for example, as 96048055768921 + 6268964364100 = 9800411^2 + 2503790^2 .

It is a cyclic number.

It is not a de Polignac number, because 102317020133021 - 2¹⁴ = 102317020116637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102317020133071) 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, 6778940 + ... + 15829973.

It is an arithmetic number, because the mean of its divisors is an integer number (25579261816863).

Almost surely, 2^{102317020133021} is an apocalyptic number.

It is an amenable number.

102317020133021 is a deficient number, since it is larger than the sum of its proper divisors (27134431).

102317020133021 is an equidigital number, since it uses as much as digits as its factorization.

102317020133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27134430.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 102317020133021 its reverse (120331020713201), we get a palindrome (222648040846222).

The spelling of 102317020133021 in words is "one hundred two trillion, three hundred seventeen billion, twenty million, one hundred thirty-three thousand, twenty-one".