89218101 has 8 divisors (see below), whose sum is σ = 135951424. Its totient is φ = 50981760.

The previous prime is 89218013. The next prime is 89218117. The reversal of 89218101 is 10181298.

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

It is not a de Polignac number, because 89218101 - 2⁹ = 89217589 is a prime.

It is a super-3 number, since 3×89218101³ (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89218301) 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, 2124220 + ... + 2124261.

It is an arithmetic number, because the mean of its divisors is an integer number (16993928).

Almost surely, 2^89218101 is an apocalyptic number.

It is an amenable number.

89218101 is a deficient number, since it is larger than the sum of its proper divisors (46733323).

89218101 is a wasteful number, since it uses less digits than its factorization.

89218101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248491.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 89218101 is about 9445.5333888563. The cubic root of 89218101 is about 446.8389181815.

Adding to 89218101 its reverse (10181298), we get a palindrome (99399399).

The spelling of 89218101 in words is "eighty-nine million, two hundred eighteen thousand, one hundred one".