102102104566 has 24 divisors (see below), whose sum is σ = 192390745680. Its totient is φ = 39780040080.

The previous prime is 102102104561. The next prime is 102102104569. The reversal of 102102104566 is 665401201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102104561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30134701 + ... + 30138088.

It is an arithmetic number, because the mean of its divisors is an integer number (8016281070).

Almost surely, 2^102102104566 is an apocalyptic number.

102102104566 is a deficient number, since it is larger than the sum of its proper divisors (90288641114).

102102104566 is a wasteful number, since it uses less digits than its factorization.

102102104566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60272820 (or 60272809 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 102102104566 its reverse (665401201201), we get a palindrome (767503305767).

The spelling of 102102104566 in words is "one hundred two billion, one hundred two million, one hundred four thousand, five hundred sixty-six".