102102212009 has 8 divisors (see below), whose sum is σ = 116728796160. Its totient is φ = 87485766336.

The previous prime is 102102211993. The next prime is 102102212011. The reversal of 102102212009 is 900212201201.

It is a happy number.

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 102102212009 - 2⁴ = 102102211993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102212059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2513024 + ... + 2553329.

It is an arithmetic number, because the mean of its divisors is an integer number (14591099520).

Almost surely, 2^102102212009 is an apocalyptic number.

It is an amenable number.

102102212009 is a deficient number, since it is larger than the sum of its proper divisors (14626584151).

102102212009 is an equidigital number, since it uses as much as digits as its factorization.

102102212009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069239.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 102102212009 in words is "one hundred two billion, one hundred two million, two hundred twelve thousand, nine".