117205211 has 8 divisors (see below), whose sum is σ = 123303600. Its totient is φ = 111244000.

The previous prime is 117205201. The next prime is 117205241. The reversal of 117205211 is 112502711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117205211 - 2¹⁰ = 117204187 is a prime.

It is a super-2 number, since 2×117205211² = 27474122971109042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117205201) 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 in 7 ways as a sum of consecutive naturals, for example, 32540 + ... + 35961.

It is an arithmetic number, because the mean of its divisors is an integer number (15412950).

Almost surely, 2^117205211 is an apocalyptic number.

117205211 is a deficient number, since it is larger than the sum of its proper divisors (6098389).

117205211 is an equidigital number, since it uses as much as digits as its factorization.

117205211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68589.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 117205211 is about 10826.1355524490. The cubic root of 117205211 is about 489.3831067828.

Adding to 117205211 its reverse (112502711), we get a palindrome (229707922).

The spelling of 117205211 in words is "one hundred seventeen million, two hundred five thousand, two hundred eleven".