102209934265 has 4 divisors (see below), whose sum is σ = 122651921124. Its totient is φ = 81767947408.

The previous prime is 102209934263. The next prime is 102209934373. The reversal of 102209934265 is 562439902201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40840772281 + 61369161984 = 202091^2 + 247728^2 .

It is a cyclic number.

It is not a de Polignac number, because 102209934265 - 2¹ = 102209934263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102209934263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10220993422 + ... + 10220993431.

It is an arithmetic number, because the mean of its divisors is an integer number (30662980281).

Almost surely, 2^102209934265 is an apocalyptic number.

It is an amenable number.

102209934265 is a deficient number, since it is larger than the sum of its proper divisors (20441986859).

102209934265 is an equidigital number, since it uses as much as digits as its factorization.

102209934265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20441986858.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 102209934265 in words is "one hundred two billion, two hundred nine million, nine hundred thirty-four thousand, two hundred sixty-five".