102102010202 has 8 divisors (see below), whose sum is σ = 155251002036. Its totient is φ = 50351676192.

The previous prime is 102102010187. The next prime is 102102010207. The reversal of 102102010202 is 202010201201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100438920241 + 1663089961 = 316921^2 + 40781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102102010207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349664273 + ... + 349664564.

Almost surely, 2^102102010202 is an apocalyptic number.

102102010202 is a deficient number, since it is larger than the sum of its proper divisors (53148991834).

102102010202 is an equidigital number, since it uses as much as digits as its factorization.

102102010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699328912.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102102010202 its reverse (202010201201), we get a palindrome (304112211403).

The spelling of 102102010202 in words is "one hundred two billion, one hundred two million, ten thousand, two hundred two".