211117016 has 32 divisors (see below), whose sum is σ = 457235280. Its totient is φ = 90316800.

The previous prime is 211117007. The next prime is 211117031. The reversal of 211117016 is 610711112.

It is a happy number.

211117016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×211117016⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69065 + ... + 72056.

Almost surely, 2^211117016 is an apocalyptic number.

It is an amenable number.

211117016 is an abundant number, since it is smaller than the sum of its proper divisors (246118264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211117016 is a wasteful number, since it uses less digits than its factorization.

211117016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141155 (or 141151 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 211117016 is about 14529.8663448774. The cubic root of 211117016 is about 595.4442140952. Note that the first 3 decimals are identical.

Adding to 211117016 its reverse (610711112), we get a palindrome (821828128).

The spelling of 211117016 in words is "two hundred eleven million, one hundred seventeen thousand, sixteen".