102102102002 has 8 divisors (see below), whose sum is σ = 158434296300. Its totient is φ = 49290669904.

The previous prime is 102102101987. The next prime is 102102102013. The reversal of 102102102002 is 200201201201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102100059961 + 2042041 = 319531^2 + 1429^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880190477 + ... + 880190592.

Almost surely, 2^102102102002 is an apocalyptic number.

102102102002 is a deficient number, since it is larger than the sum of its proper divisors (56332194298).

102102102002 is a wasteful number, since it uses less digits than its factorization.

102102102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760381100.

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

Adding to 102102102002 its reverse (200201201201), we get a palindrome (302303303203).

The spelling of 102102102002 in words is "one hundred two billion, one hundred two million, one hundred two thousand, two".