102109141856 has 24 divisors (see below), whose sum is σ = 201061052640. Its totient is φ = 51046017408.

The previous prime is 102109141847. The next prime is 102109141963. The reversal of 102109141856 is 658141901201.

It is a happy number.

102109141856 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-2 number, since 2×102109141856² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71096 + ... + 457463.

It is an arithmetic number, because the mean of its divisors is an integer number (8377543860).

Almost surely, 2^102109141856 is an apocalyptic number.

102109141856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102109141856 is a deficient number, since it is larger than the sum of its proper divisors (98951910784).

102109141856 is an equidigital number, since it uses as much as digits as its factorization.

102109141856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534606 (or 534598 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 102109141856 in words is "one hundred two billion, one hundred nine million, one hundred forty-one thousand, eight hundred fifty-six".