80218101 has 8 divisors (see below), whose sum is σ = 108311680. Its totient is φ = 52801632.

The previous prime is 80218081. The next prime is 80218129. The reversal of 80218101 is 10181208.

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

It is not a de Polignac number, because 80218101 - 2⁵ = 80218069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80218301) 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, 169000 + ... + 169473.

It is an arithmetic number, because the mean of its divisors is an integer number (13538960).

Almost surely, 2^80218101 is an apocalyptic number.

It is an amenable number.

80218101 is a deficient number, since it is larger than the sum of its proper divisors (28093579).

80218101 is a wasteful number, since it uses less digits than its factorization.

80218101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338555.

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

The square root of 80218101 is about 8956.4558280606. The cubic root of 80218101 is about 431.2781530035.

Adding to 80218101 its reverse (10181208), we get a palindrome (90399309).

It can be divided in two parts, 80218 and 101, that multiplied together give a palindrome (8102018).

The spelling of 80218101 in words is "eighty million, two hundred eighteen thousand, one hundred one".