211003201 has 4 divisors (see below), whose sum is σ = 223415172. Its totient is φ = 198591232.

The previous prime is 211003187. The next prime is 211003211. The reversal of 211003201 is 102300112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79923600 + 131079601 = 8940^2 + 11449^2 .

It is a cyclic number.

It is not a de Polignac number, because 211003201 - 2⁷ = 211003073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211003211) 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 3 ways as a sum of consecutive naturals, for example, 6205960 + ... + 6205993.

It is an arithmetic number, because the mean of its divisors is an integer number (55853793).

Almost surely, 2^211003201 is an apocalyptic number.

It is an amenable number.

211003201 is a deficient number, since it is larger than the sum of its proper divisors (12411971).

211003201 is a wasteful number, since it uses less digits than its factorization.

211003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12411970.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211003201 is about 14525.9492288800. The cubic root of 211003201 is about 595.3371918275.

Adding to 211003201 its reverse (102300112), we get a palindrome (313303313).

The spelling of 211003201 in words is "two hundred eleven million, three thousand, two hundred one".