102111115316 has 24 divisors (see below), whose sum is σ = 204492051456. Its totient is φ = 43704087840.

The previous prime is 102111115297. The next prime is 102111115331. The reversal of 102111115316 is 613511111201.

It is a junction number, because it is equal to n+sod(n) for n = 102111115291 and 102111115300.

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, 2387540 + ... + 2429931.

It is an arithmetic number, because the mean of its divisors is an integer number (8520502144).

Almost surely, 2^102111115316 is an apocalyptic number.

It is an amenable number.

102111115316 is an abundant number, since it is smaller than the sum of its proper divisors (102380936140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111115316 is a wasteful number, since it uses less digits than its factorization.

102111115316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818239 (or 4818237 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 102111115316 its reverse (613511111201), we get a palindrome (715622226517).

The spelling of 102111115316 in words is "one hundred two billion, one hundred eleven million, one hundred fifteen thousand, three hundred sixteen".