211116704 has 12 divisors (see below), whose sum is σ = 415636074. Its totient is φ = 105558336.

The previous prime is 211116679. The next prime is 211116707. The reversal of 211116704 is 407611112.

It is a happy number.

211116704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178169104 + 32947600 = 13348^2 + 5740^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211116704.

It is not an unprimeable number, because it can be changed into a prime (211116707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3298667 + ... + 3298730.

Almost surely, 2^211116704 is an apocalyptic number.

It is an amenable number.

211116704 is a deficient number, since it is larger than the sum of its proper divisors (204519370).

211116704 is an equidigital number, since it uses as much as digits as its factorization.

211116704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597407 (or 6597399 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 211116704 is about 14529.8556083672. The cubic root of 211116704 is about 595.4439207686.

Adding to 211116704 its reverse (407611112), we get a palindrome (618727816).

The spelling of 211116704 in words is "two hundred eleven million, one hundred sixteen thousand, seven hundred four".