211213327 has 12 divisors (see below), whose sum is σ = 229130640. Its totient is φ = 194608128.

The previous prime is 211213313. The next prime is 211213357. The reversal of 211213327 is 723312112.

It is a happy number.

It is not a de Polignac number, because 211213327 - 2²³ = 202824719 is a prime.

It is a super-2 number, since 2×211213327² = 89222139004817858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211213298 and 211213307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149199 + ... + 150607.

It is an arithmetic number, because the mean of its divisors is an integer number (19094220).

Almost surely, 2^211213327 is an apocalyptic number.

211213327 is a deficient number, since it is larger than the sum of its proper divisors (17917313).

211213327 is a wasteful number, since it uses less digits than its factorization.

211213327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2309 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 211213327 is about 14533.1802094380. The cubic root of 211213327 is about 595.5347469986.

Adding to 211213327 its reverse (723312112), we get a palindrome (934525439).

The spelling of 211213327 in words is "two hundred eleven million, two hundred thirteen thousand, three hundred twenty-seven".