808102101 has 8 divisors (see below), whose sum is σ = 1078528864. Its totient is φ = 538205040.

The previous prime is 808102069. The next prime is 808102109. The reversal of 808102101 is 101201808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 808102101 - 2⁵ = 808102069 is a prime.

It is a super-2 number, since 2×808102101² = 1306058011281228402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808102109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128851 + ... + 134976.

It is an arithmetic number, because the mean of its divisors is an integer number (134816108).

Almost surely, 2^808102101 is an apocalyptic number.

It is an amenable number.

808102101 is a deficient number, since it is larger than the sum of its proper divisors (270426763).

808102101 is a wasteful number, since it uses less digits than its factorization.

808102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264851.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 808102101 is about 28427.1367006950. The cubic root of 808102101 is about 931.4411313711.

Adding to 808102101 its reverse (101201808), we get a palindrome (909303909).

The spelling of 808102101 in words is "eight hundred eight million, one hundred two thousand, one hundred one".