211213333 has 8 divisors (see below), whose sum is σ = 216770400. Its totient is φ = 205722288.

The previous prime is 211213313. The next prime is 211213357. The reversal of 211213333 is 333312112.

211213333 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-211213333 is a prime.

It is a super-2 number, since 2×211213333² = 89222144073937778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211213333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213313) 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, 9991 + ... + 22852.

It is an arithmetic number, because the mean of its divisors is an integer number (27096300).

Almost surely, 2^211213333 is an apocalyptic number.

It is an amenable number.

211213333 is a deficient number, since it is larger than the sum of its proper divisors (5557067).

211213333 is a wasteful number, since it uses less digits than its factorization.

211213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33011.

The product of its digits is 324, while the sum is 19.

The square root of 211213333 is about 14533.1804158622. The cubic root of 211213333 is about 595.5347526378.

Adding to 211213333 its reverse (333312112), we get a palindrome (544525445).

The spelling of 211213333 in words is "two hundred eleven million, two hundred thirteen thousand, three hundred thirty-three".