211097214 has 12 divisors (see below), whose sum is σ = 457377336. Its totient is φ = 70365732.

The previous prime is 211097209. The next prime is 211097219. The reversal of 211097214 is 412790112.

It is an interprime number because it is at equal distance from previous prime (211097209) and next prime (211097219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211097219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5863794 + ... + 5863829.

It is an arithmetic number, because the mean of its divisors is an integer number (38114778).

Almost surely, 2^211097214 is an apocalyptic number.

211097214 is an abundant number, since it is smaller than the sum of its proper divisors (246280122).

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

211097214 is a wasteful number, since it uses less digits than its factorization.

211097214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727631 (or 11727628 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 211097214 is about 14529.1849048734. The cubic root of 211097214 is about 595.4255966870.

The spelling of 211097214 in words is "two hundred eleven million, ninety-seven thousand, two hundred fourteen".