2122102002017 has 4 divisors (see below), whose sum is σ = 2123898871956. Its totient is φ = 2120305132080.

The previous prime is 2122102002001. The next prime is 2122102002029. The reversal of 2122102002017 is 7102002012212.

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 1959325258081 + 162776743936 = 1399759^2 + 403456^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122102002017 - 2⁴ = 2122102002001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122102002017.

It is not an unprimeable number, because it can be changed into a prime (2122102052017) 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, 898433198 + ... + 898435559.

It is an arithmetic number, because the mean of its divisors is an integer number (530974717989).

Almost surely, 2^{2122102002017} is an apocalyptic number.

It is an amenable number.

2122102002017 is a deficient number, since it is larger than the sum of its proper divisors (1796869939).

2122102002017 is a wasteful number, since it uses less digits than its factorization.

2122102002017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796869938.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 2122102002017 its reverse (7102002012212), we get a palindrome (9224104014229).

The spelling of 2122102002017 in words is "two trillion, one hundred twenty-two billion, one hundred two million, two thousand, seventeen".