212211133 has 8 divisors (see below), whose sum is σ = 233092800. Its totient is φ = 192300768.

The previous prime is 212211127. The next prime is 212211137. The reversal of 212211133 is 331112212.

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

It is a cyclic number.

It is not a de Polignac number, because 212211133 - 2⁵ = 212211101 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 (212211137) 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, 242368 + ... + 243241.

It is an arithmetic number, because the mean of its divisors is an integer number (29136600).

Almost surely, 2^212211133 is an apocalyptic number.

212211133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212211133 is a deficient number, since it is larger than the sum of its proper divisors (20881667).

212211133 is a wasteful number, since it uses less digits than its factorization.

212211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485651.

The product of its digits is 72, while the sum is 16.

The square root of 212211133 is about 14567.4683112750. The cubic root of 212211133 is about 596.4710749867.

Adding to 212211133 its reverse (331112212), we get a palindrome (543323345).

The spelling of 212211133 in words is "two hundred twelve million, two hundred eleven thousand, one hundred thirty-three".