212002211 has 8 divisors (see below), whose sum is σ = 219262848. Its totient is φ = 204768000.

The previous prime is 212002199. The next prime is 212002229. The reversal of 212002211 is 112200212.

It is a happy number.

212002211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212002211 is a prime.

It is a super-3 number, since 3×212002211³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212002192 and 212002201.

It is not an unprimeable number, because it can be changed into a prime (212002261) 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, 10451 + ... + 23091.

It is an arithmetic number, because the mean of its divisors is an integer number (27407856).

Almost surely, 2^212002211 is an apocalyptic number.

212002211 is a deficient number, since it is larger than the sum of its proper divisors (7260637).

212002211 is a wasteful number, since it uses less digits than its factorization.

212002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212002211 is about 14560.2957044148. The cubic root of 212002211 is about 596.2752686603.

Adding to 212002211 its reverse (112200212), we get a palindrome (324202423).

The spelling of 212002211 in words is "two hundred twelve million, two thousand, two hundred eleven".