82210101 has 8 divisors (see below), whose sum is σ = 110845440. Its totient is φ = 54190752.

The previous prime is 82210081. The next prime is 82210103. The reversal of 82210101 is 10101228.

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

It is not a de Polignac number, because 82210101 - 2⁷ = 82209973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82210103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153685 + ... + 154218.

It is an arithmetic number, because the mean of its divisors is an integer number (13855680).

Almost surely, 2^82210101 is an apocalyptic number.

It is an amenable number.

82210101 is a deficient number, since it is larger than the sum of its proper divisors (28635339).

82210101 is a wasteful number, since it uses less digits than its factorization.

82210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307995.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 82210101 is about 9066.9786037026. The cubic root of 82210101 is about 434.8188808676.

Adding to 82210101 its reverse (10101228), we get a palindrome (92311329).

The spelling of 82210101 in words is "eighty-two million, two hundred ten thousand, one hundred one".