212230101 has 8 divisors (see below), whose sum is σ = 284210080. Its totient is φ = 140868432.

The previous prime is 212230099. The next prime is 212230111. The reversal of 212230101 is 101032212.

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

It is not a de Polignac number, because 212230101 - 2¹ = 212230099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230111) 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, 153775 + ... + 155148.

It is an arithmetic number, because the mean of its divisors is an integer number (35526260).

Almost surely, 2^212230101 is an apocalyptic number.

It is an amenable number.

212230101 is a deficient number, since it is larger than the sum of its proper divisors (71979979).

212230101 is a wasteful number, since it uses less digits than its factorization.

212230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309155.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212230101 is about 14568.1193364140. The cubic root of 212230101 is about 596.4888458519.

Adding to 212230101 its reverse (101032212), we get a palindrome (313262313).

It can be divided in two parts, 2122 and 30101, that added together give a palindrome (32223).

The spelling of 212230101 in words is "two hundred twelve million, two hundred thirty thousand, one hundred one".