83218101 has 8 divisors (see below), whose sum is σ = 111006720. Its totient is φ = 55454112.

The previous prime is 83218099. The next prime is 83218103. The reversal of 83218101 is 10181238.

It is an interprime number because it is at equal distance from previous prime (83218099) and next prime (83218103).

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

It is not a de Polignac number, because 83218101 - 2¹ = 83218099 is a prime.

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 (83218103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 13578.

It is an arithmetic number, because the mean of its divisors is an integer number (13875840).

Almost surely, 2^83218101 is an apocalyptic number.

It is an amenable number.

83218101 is a deficient number, since it is larger than the sum of its proper divisors (27788619).

83218101 is a wasteful number, since it uses less digits than its factorization.

83218101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12315.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 83218101 is about 9122.3955735322. The cubic root of 83218101 is about 436.5888100675.

Adding to 83218101 its reverse (10181238), we get a palindrome (93399339).

The spelling of 83218101 in words is "eighty-three million, two hundred eighteen thousand, one hundred one".