211004201 has 4 divisors (see below), whose sum is σ = 211058304. Its totient is φ = 210950100.

The previous prime is 211004191. The next prime is 211004207. The reversal of 211004201 is 102400112.

211004201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211004201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211004207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20705 + ... + 29166.

It is an arithmetic number, because the mean of its divisors is an integer number (52764576).

Almost surely, 2^211004201 is an apocalyptic number.

It is an amenable number.

211004201 is a deficient number, since it is larger than the sum of its proper divisors (54103).

211004201 is an equidigital number, since it uses as much as digits as its factorization.

211004201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54102.

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

The square root of 211004201 is about 14525.9836499977. The cubic root of 211004201 is about 595.3381323128.

Adding to 211004201 its reverse (102400112), we get a palindrome (313404313).

The spelling of 211004201 in words is "two hundred eleven million, four thousand, two hundred one".