2011210001 has 4 divisors (see below), whose sum is σ = 2080562100. Its totient is φ = 1941857904.

The previous prime is 2011209997. The next prime is 2011210009. The reversal of 2011210001 is 1000121102.

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 964040401 + 1047169600 = 31049^2 + 32360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011210001 - 2² = 2011209997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011210009) 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, 34676006 + ... + 34676063.

It is an arithmetic number, because the mean of its divisors is an integer number (520140525).

Almost surely, 2^2011210001 is an apocalyptic number.

It is an amenable number.

2011210001 is a deficient number, since it is larger than the sum of its proper divisors (69352099).

2011210001 is an equidigital number, since it uses as much as digits as its factorization.

2011210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69352098.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2011210001 is about 44846.5160408253. The cubic root of 2011210001 is about 1262.2706182749.

Adding to 2011210001 its reverse (1000121102), we get a palindrome (3011331103).

The spelling of 2011210001 in words is "two billion, eleven million, two hundred ten thousand, one".