211249070 has 16 divisors (see below), whose sum is σ = 380540160. Its totient is φ = 84434784.

The previous prime is 211249033. The next prime is 211249091. The reversal of 211249070 is 70942112.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6899 + ... + 21681.

It is an arithmetic number, because the mean of its divisors is an integer number (23783760).

Almost surely, 2^211249070 is an apocalyptic number.

211249070 is a deficient number, since it is larger than the sum of its proper divisors (169291090).

211249070 is a wasteful number, since it uses less digits than its factorization.

211249070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16219.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 211249070 is about 14534.4098607408. The cubic root of 211249070 is about 595.5683386255.

The spelling of 211249070 in words is "two hundred eleven million, two hundred forty-nine thousand, seventy".