102816101 has 4 divisors (see below), whose sum is σ = 103726092. Its totient is φ = 101906112.

The previous prime is 102816089. The next prime is 102816113. The reversal of 102816101 is 101618201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101618201 = 223 ⋅455687.

It is an interprime number because it is at equal distance from previous prime (102816089) and next prime (102816113).

It can be written as a sum of positive squares in 2 ways, for example, as 50268100 + 52548001 = 7090^2 + 7249^2 .

It is not a de Polignac number, because 102816101 - 2⁶ = 102816037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102806101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454826 + ... + 455051.

It is an arithmetic number, because the mean of its divisors is an integer number (25931523).

Almost surely, 2^102816101 is an apocalyptic number.

It is an amenable number.

102816101 is a deficient number, since it is larger than the sum of its proper divisors (909991).

102816101 is an equidigital number, since it uses as much as digits as its factorization.

102816101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909990.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 102816101 is about 10139.8274640154. The cubic root of 102816101 is about 468.4756727071.

The spelling of 102816101 in words is "one hundred two million, eight hundred sixteen thousand, one hundred one".