211340500 has 48 divisors (see below), whose sum is σ = 527514624. Its totient is φ = 72458400.

The previous prime is 211340497. The next prime is 211340509. The reversal of 211340500 is 5043112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211340509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26692 + ... + 33691.

It is an arithmetic number, because the mean of its divisors is an integer number (10989888).

Almost surely, 2^211340500 is an apocalyptic number.

211340500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211340500 is an abundant number, since it is smaller than the sum of its proper divisors (316174124).

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

211340500 is a wasteful number, since it uses less digits than its factorization.

211340500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60409 (or 60397 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 211340500 is about 14537.5548150299. The cubic root of 211340500 is about 595.6542482097.

Adding to 211340500 its reverse (5043112), we get a palindrome (216383612).

The spelling of 211340500 in words is "two hundred eleven million, three hundred forty thousand, five hundred".