211075117 has 16 divisors (see below), whose sum is σ = 241211520. Its totient is φ = 182828800.

The previous prime is 211075103. The next prime is 211075133. The reversal of 211075117 is 711570112.

It is a de Polignac number, because none of the positive numbers 2^k-211075117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211075091 and 211075100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211075157) 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 in 15 ways as a sum of consecutive naturals, for example, 69609 + ... + 72577.

It is an arithmetic number, because the mean of its divisors is an integer number (15075720).

Almost surely, 2^211075117 is an apocalyptic number.

It is an amenable number.

211075117 is a deficient number, since it is larger than the sum of its proper divisors (30136403).

211075117 is a wasteful number, since it uses less digits than its factorization.

211075117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 211075117 is about 14528.4244500221. The cubic root of 211075117 is about 595.4048201953.

The spelling of 211075117 in words is "two hundred eleven million, seventy-five thousand, one hundred seventeen".