211213329 has 16 divisors (see below), whose sum is σ = 299503680. Its totient is φ = 132019200.

The previous prime is 211213313. The next prime is 211213357. The reversal of 211213329 is 923312112.

It is not a de Polignac number, because 211213329 - 2⁴ = 211213313 is a prime.

It is a super-2 number, since 2×211213329² = 89222140694524482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211213299 and 211213308.

It is not an unprimeable number, because it can be changed into a prime (211213229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13572 + ... + 24629.

It is an arithmetic number, because the mean of its divisors is an integer number (18718980).

Almost surely, 2^211213329 is an apocalyptic number.

It is an amenable number.

211213329 is a deficient number, since it is larger than the sum of its proper divisors (88290351).

211213329 is a wasteful number, since it uses less digits than its factorization.

211213329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38320.

The product of its digits is 648, while the sum is 24.

The square root of 211213329 is about 14533.1802782461. The cubic root of 211213329 is about 595.5347488784.

The spelling of 211213329 in words is "two hundred eleven million, two hundred thirteen thousand, three hundred twenty-nine".