10213211 has 4 divisors (see below), whose sum is σ = 10353192. Its totient is φ = 10073232.

The previous prime is 10213207. The next prime is 10213253. The reversal of 10213211 is 11231201.

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 10213211 - 2² = 10213207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213192 and 10213201.

It is not an unprimeable number, because it can be changed into a prime (10213261) 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, 69881 + ... + 70026.

It is an arithmetic number, because the mean of its divisors is an integer number (2588298).

Almost surely, 2^10213211 is an apocalyptic number.

10213211 is a deficient number, since it is larger than the sum of its proper divisors (139981).

10213211 is an equidigital number, since it uses as much as digits as its factorization.

10213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139980.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10213211 is about 3195.8114775437. The cubic root of 10213211 is about 216.9638779802.

Adding to 10213211 its reverse (11231201), we get a palindrome (21444412).

The spelling of 10213211 in words is "ten million, two hundred thirteen thousand, two hundred eleven".