102215729848 has 32 divisors (see below), whose sum is σ = 197893388160. Its totient is φ = 49445101440.

The previous prime is 102215729839. The next prime is 102215729873. The reversal of 102215729848 is 848927512201.

It is a happy number.

102215729848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×102215729848³ (a number of 34 digits) contains 333 as substring.

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, 838986 + ... + 953062.

It is an arithmetic number, because the mean of its divisors is an integer number (6184168380).

Almost surely, 2^102215729848 is an apocalyptic number.

It is an amenable number.

102215729848 is a deficient number, since it is larger than the sum of its proper divisors (95677658312).

102215729848 is a wasteful number, since it uses less digits than its factorization.

102215729848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117727 (or 117723 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 102215729848 in words is "one hundred two billion, two hundred fifteen million, seven hundred twenty-nine thousand, eight hundred forty-eight".