11212210 has 8 divisors (see below), whose sum is σ = 20181996. Its totient is φ = 4484880.

The previous prime is 11212171. The next prime is 11212219. The reversal of 11212210 is 1221211.

11212210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11202409 + 9801 = 3347^2 + 99^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1121221 = 11212210 / (1 + 1 + 2 + 1 + 2 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (11212219) 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, 560601 + ... + 560620.

Almost surely, 2^11212210 is an apocalyptic number.

11212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212210 is a deficient number, since it is larger than the sum of its proper divisors (8969786).

11212210 is a wasteful number, since it uses less digits than its factorization.

11212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121228.

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

The square root of 11212210 is about 3348.4638268914. The cubic root of 11212210 is about 223.8190636028.

Adding to 11212210 its reverse (1221211), we get a palindrome (12433421).

Subtracting from 11212210 its reverse (1221211), we obtain a palindrome (9990999).

The spelling of 11212210 in words is "eleven million, two hundred twelve thousand, two hundred ten".