102530502101 has 2 divisors, whose sum is σ = 102530502102. Its totient is φ = 102530502100.

The previous prime is 102530502089. The next prime is 102530502157. The reversal of 102530502101 is 101205035201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100488366001 + 2042136100 = 316999^2 + 45190^2 .

It is a cyclic number.

It is not a de Polignac number, because 102530502101 - 2³⁰ = 101456760277 is a prime.

It is a super-2 number, since 2×102530502101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102530502301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51265251050 + 51265251051.

It is an arithmetic number, because the mean of its divisors is an integer number (51265251051).

Almost surely, 2^102530502101 is an apocalyptic number.

It is an amenable number.

102530502101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102530502101 is an equidigital number, since it uses as much as digits as its factorization.

102530502101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 102530502101 its reverse (101205035201), we get a palindrome (203735537302).

The spelling of 102530502101 in words is "one hundred two billion, five hundred thirty million, five hundred two thousand, one hundred one".