102152100171 has 32 divisors (see below), whose sum is σ = 148925952000. Its totient is φ = 61768443680.

The previous prime is 102152100151. The next prime is 102152100187. The reversal of 102152100171 is 171001251201.

It is a cyclic number.

It is not a de Polignac number, because 102152100171 - 2³³ = 93562165579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102152100121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37846780 + ... + 37849478.

It is an arithmetic number, because the mean of its divisors is an integer number (4653936000).

Almost surely, 2^102152100171 is an apocalyptic number.

102152100171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102152100171 is a deficient number, since it is larger than the sum of its proper divisors (46773851829).

102152100171 is a wasteful number, since it uses less digits than its factorization.

102152100171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919.

The product of its (nonzero) digits is 140, while the sum is 21.

Adding to 102152100171 its reverse (171001251201), we get a palindrome (273153351372).

The spelling of 102152100171 in words is "one hundred two billion, one hundred fifty-two million, one hundred thousand, one hundred seventy-one".