2001107217 has 8 divisors (see below), whose sum is σ = 2671388224. Its totient is φ = 1332448848.

The previous prime is 2001107201. The next prime is 2001107233. The reversal of 2001107217 is 7127011002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2001107201) and next prime (2001107233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001107217 - 2⁴ = 2001107201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001107193 and 2001107202.

It is not an unprimeable number, because it can be changed into a prime (2001107287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402778 + ... + 407715.

It is an arithmetic number, because the mean of its divisors is an integer number (333923528).

Almost surely, 2^2001107217 is an apocalyptic number.

It is an amenable number.

2001107217 is a deficient number, since it is larger than the sum of its proper divisors (670281007).

2001107217 is an equidigital number, since it uses as much as digits as its factorization.

2001107217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811319.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 2001107217 is about 44733.7368995706. The cubic root of 2001107217 is about 1260.1535080041.

Adding to 2001107217 its reverse (7127011002), we get a palindrome (9128118219).

The spelling of 2001107217 in words is "two billion, one million, one hundred seven thousand, two hundred seventeen".