10212211 has 4 divisors (see below), whose sum is σ = 10313424. Its totient is φ = 10111000.

The previous prime is 10212203. The next prime is 10212233. The reversal of 10212211 is 11221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212211 - 2³ = 10212203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50455 + ... + 50656.

It is an arithmetic number, because the mean of its divisors is an integer number (2578356).

Almost surely, 2^10212211 is an apocalyptic number.

10212211 is a deficient number, since it is larger than the sum of its proper divisors (101213).

10212211 is a wasteful number, since it uses less digits than its factorization.

10212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101212.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 10212211 is about 3195.6550189280. The cubic root of 10212211 is about 216.9567965977.

Adding to 10212211 its reverse (11221201), we get a palindrome (21433412).

The spelling of 10212211 in words is "ten million, two hundred twelve thousand, two hundred eleven".