211216883 has 2 divisors, whose sum is σ = 211216884. Its totient is φ = 211216882.

The previous prime is 211216877. The next prime is 211216913. The reversal of 211216883 is 388612112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211216883 - 2¹² = 211212787 is a prime.

It is a super-2 number, since 2×211216883² = 89225143328471378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211266883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105608441 + 105608442.

It is an arithmetic number, because the mean of its divisors is an integer number (105608442).

Almost surely, 2^211216883 is an apocalyptic number.

211216883 is a deficient number, since it is larger than the sum of its proper divisors (1).

211216883 is an equidigital number, since it uses as much as digits as its factorization.

211216883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 32.

The square root of 211216883 is about 14533.3025496616. The cubic root of 211216883 is about 595.5380891326.

Adding to 211216883 its reverse (388612112), we get a palindrome (599828995).

The spelling of 211216883 in words is "two hundred eleven million, two hundred sixteen thousand, eight hundred eighty-three".