211300001 has 6 divisors (see below), whose sum is σ = 232255506. Its totient is φ = 192090800.

The previous prime is 211299971. The next prime is 211300009. The reversal of 211300001 is 100003112.

It can be written as a sum of positive squares in only one way, i.e., 124902976 + 86397025 = 11176^2 + 9295^2 .

It is a de Polignac number, because none of the positive numbers 2^k-211300001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211300009) 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, 873020 + ... + 873261.

It is an arithmetic number, because the mean of its divisors is an integer number (38709251).

Almost surely, 2^211300001 is an apocalyptic number.

It is an amenable number.

211300001 is a deficient number, since it is larger than the sum of its proper divisors (20955505).

211300001 is a wasteful number, since it uses less digits than its factorization.

211300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746303 (or 1746292 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 211300001 is about 14536.1618386698. The cubic root of 211300001 is about 595.6161975403.

Adding to 211300001 its reverse (100003112), we get a palindrome (311303113).

The spelling of 211300001 in words is "two hundred eleven million, three hundred thousand, one".