211070001 has 4 divisors (see below), whose sum is σ = 281426672. Its totient is φ = 140713332.

The previous prime is 211069939. The next prime is 211070003. The reversal of 211070001 is 100070112.

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 not a de Polignac number, because 211070001 - 2⁹ = 211069489 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 (211070003) 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, 35178331 + ... + 35178336.

It is an arithmetic number, because the mean of its divisors is an integer number (70356668).

Almost surely, 2^211070001 is an apocalyptic number.

It is an amenable number.

211070001 is a deficient number, since it is larger than the sum of its proper divisors (70356671).

211070001 is an equidigital number, since it uses as much as digits as its factorization.

211070001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70356670.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 211070001 is about 14528.2483803107. The cubic root of 211070001 is about 595.4000097188.

The spelling of 211070001 in words is "two hundred eleven million, seventy thousand, one".