102921840568 has 32 divisors (see below), whose sum is σ = 200703515760. Its totient is φ = 49440142080.

The previous prime is 102921840557. The next prime is 102921840583. The reversal of 102921840568 is 865048129201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431405 + ... + 2473372.

Almost surely, 2^102921840568 is an apocalyptic number.

It is an amenable number.

102921840568 is a deficient number, since it is larger than the sum of its proper divisors (97781675192).

102921840568 is a wasteful number, since it uses less digits than its factorization.

102921840568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904887 (or 4904883 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

Adding to 102921840568 its reverse (865048129201), we get a palindrome (967969969769).

The spelling of 102921840568 in words is "one hundred two billion, nine hundred twenty-one million, eight hundred forty thousand, five hundred sixty-eight".