2101612001 has 8 divisors (see below), whose sum is σ = 2119588800. Its totient is φ = 2083699728.

The previous prime is 2101611997. The next prime is 2101612027. The reversal of 2101612001 is 1002161012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101612001 - 2² = 2101611997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101612031) 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, 50450 + ... + 82148.

It is an arithmetic number, because the mean of its divisors is an integer number (264948600).

Almost surely, 2^2101612001 is an apocalyptic number.

It is an amenable number.

2101612001 is a deficient number, since it is larger than the sum of its proper divisors (17976799).

2101612001 is a wasteful number, since it uses less digits than its factorization.

2101612001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32263.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2101612001 is about 45843.3419484226. The cubic root of 2101612001 is about 1280.9067470386.

Adding to 2101612001 its reverse (1002161012), we get a palindrome (3103773013).

The spelling of 2101612001 in words is "two billion, one hundred one million, six hundred twelve thousand, one".