8212101 has 4 divisors (see below), whose sum is σ = 10949472. Its totient is φ = 5474732.

The previous prime is 8212093. The next prime is 8212109. The reversal of 8212101 is 1012128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8212093) and next prime (8212109).

It is a cyclic number.

It is not a de Polignac number, because 8212101 - 2³ = 8212093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212109) 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 3 ways as a sum of consecutive naturals, for example, 1368681 + ... + 1368686.

It is an arithmetic number, because the mean of its divisors is an integer number (2737368).

Almost surely, 2^8212101 is an apocalyptic number.

It is an amenable number.

8212101 is a deficient number, since it is larger than the sum of its proper divisors (2737371).

8212101 is a wasteful number, since it uses less digits than its factorization.

8212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737370.

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

The square root of 8212101 is about 2865.6763599541. The cubic root of 8212101 is about 201.7521139926.

Adding to 8212101 its reverse (1012128), we get a palindrome (9224229).

The spelling of 8212101 in words is "eight million, two hundred twelve thousand, one hundred one".