102128422066 has 48 divisors (see below), whose sum is σ = 170142384384. Its totient is φ = 45939960000.

The previous prime is 102128422057. The next prime is 102128422079. The reversal of 102128422066 is 660224821201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9897726 + ... + 9908038.

It is an arithmetic number, because the mean of its divisors is an integer number (3544633008).

Almost surely, 2^102128422066 is an apocalyptic number.

102128422066 is a deficient number, since it is larger than the sum of its proper divisors (68013962318).

102128422066 is a wasteful number, since it uses less digits than its factorization.

102128422066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759 (or 10748 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 102128422066 in words is "one hundred two billion, one hundred twenty-eight million, four hundred twenty-two thousand, sixty-six".