211117014 has 24 divisors (see below), whose sum is σ = 468059592. Its totient is φ = 68735520.

The previous prime is 211117007. The next prime is 211117031. The reversal of 211117014 is 410711112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135607 + ... + 137154.

It is an arithmetic number, because the mean of its divisors is an integer number (19502483).

Almost surely, 2^211117014 is an apocalyptic number.

211117014 is an abundant number, since it is smaller than the sum of its proper divisors (256942578).

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

211117014 is a wasteful number, since it uses less digits than its factorization.

211117014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272812 (or 272809 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 211117014 is about 14529.8662760536. The cubic root of 211117014 is about 595.4442122149. Note that the first 3 decimals are identical.

Adding to 211117014 its reverse (410711112), we get a palindrome (621828126).

The spelling of 211117014 in words is "two hundred eleven million, one hundred seventeen thousand, fourteen".