102102510026 has 32 divisors (see below), whose sum is σ = 171639425088. Its totient is φ = 45143533440.

The previous prime is 102102510019. The next prime is 102102510047. The reversal of 102102510026 is 620015201201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3365441 + ... + 3395643.

It is an arithmetic number, because the mean of its divisors is an integer number (5363732034).

Almost surely, 2^102102510026 is an apocalyptic number.

102102510026 is a deficient number, since it is larger than the sum of its proper divisors (69536915062).

102102510026 is a wasteful number, since it uses less digits than its factorization.

102102510026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34406.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 102102510026 its reverse (620015201201), we get a palindrome (722117711227).

The spelling of 102102510026 in words is "one hundred two billion, one hundred two million, five hundred ten thousand, twenty-six".