2102011617 has 8 divisors (see below), whose sum is σ = 2803442400. Its totient is φ = 1400960960.

The previous prime is 2102011609. The next prime is 2102011619. The reversal of 2102011617 is 7161102012.

It is a happy number.

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 2102011617 - 2³ = 2102011609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102011593 and 2102011602.

It is not an unprimeable number, because it can be changed into a prime (2102011619) 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, 81867 + ... + 104432.

It is an arithmetic number, because the mean of its divisors is an integer number (350430300).

Almost surely, 2^2102011617 is an apocalyptic number.

It is an amenable number.

2102011617 is a deficient number, since it is larger than the sum of its proper divisors (701430783).

2102011617 is a wasteful number, since it uses less digits than its factorization.

2102011617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190063.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 2102011617 is about 45847.7002367621. The cubic root of 2102011617 is about 1280.9879289108.

Adding to 2102011617 its reverse (7161102012), we get a palindrome (9263113629).

The spelling of 2102011617 in words is "two billion, one hundred two million, eleven thousand, six hundred seventeen".