102238116205 has 8 divisors (see below), whose sum is σ = 122825002104. Its totient is φ = 81697651200.

The previous prime is 102238116203. The next prime is 102238116217. The reversal of 102238116205 is 502611832201.

It can be written as a sum of positive squares in 4 ways, for example, as 3388869796 + 98849246409 = 58214^2 + 314403^2 .

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

It is not a de Polignac number, because 102238116205 - 2¹ = 102238116203 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 (102238116203) 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, 11600376 + ... + 11609185.

It is an arithmetic number, because the mean of its divisors is an integer number (15353125263).

Almost surely, 2^102238116205 is an apocalyptic number.

It is an amenable number.

102238116205 is a deficient number, since it is larger than the sum of its proper divisors (20586885899).

102238116205 is an equidigital number, since it uses as much as digits as its factorization.

102238116205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23210447.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 102238116205 its reverse (502611832201), we get a palindrome (604849948406).

The spelling of 102238116205 in words is "one hundred two billion, two hundred thirty-eight million, one hundred sixteen thousand, two hundred five".