211319066 has 12 divisors (see below), whose sum is σ = 368730378. Its totient is φ = 90565272.

The previous prime is 211319051. The next prime is 211319107. The reversal of 211319066 is 660913112.

211319066 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., 176331841 + 34987225 = 13279^2 + 5915^2 .

It is a super-2 number, since 2×211319066² = 89311495310224712, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1078061 + ... + 1078256.

Almost surely, 2^211319066 is an apocalyptic number.

211319066 is a deficient number, since it is larger than the sum of its proper divisors (157411312).

211319066 is a wasteful number, since it uses less digits than its factorization.

211319066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156333 (or 2156326 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 211319066 is about 14536.8176022127. The cubic root of 211319066 is about 595.6341105885.

The spelling of 211319066 in words is "two hundred eleven million, three hundred nineteen thousand, sixty-six".