211240010 has 8 divisors (see below), whose sum is σ = 380232036. Its totient is φ = 84496000.

The previous prime is 211239997. The next prime is 211240021. The reversal of 211240010 is 10042112.

It can be written as a sum of positive squares in 2 ways, for example, as 177449041 + 33790969 = 13321^2 + 5813^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211239973 and 211240000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561991 + ... + 10562010.

Almost surely, 2^211240010 is an apocalyptic number.

211240010 is a deficient number, since it is larger than the sum of its proper divisors (168992026).

211240010 is a wasteful number, since it uses less digits than its factorization.

211240010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21124008.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 211240010 is about 14534.0981832379. The cubic root of 211240010 is about 595.5598243059.

Adding to 211240010 its reverse (10042112), we get a palindrome (221282122).

The spelling of 211240010 in words is "two hundred eleven million, two hundred forty thousand, ten".