2217069102121 has 4 divisors (see below), whose sum is σ = 2218149020932. Its totient is φ = 2215989183312.

The previous prime is 2217069102077. The next prime is 2217069102167. The reversal of 2217069102121 is 1212019607122.

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 1869987875625 + 347081226496 = 1367475^2 + 589136^2 .

It is a cyclic number.

It is not a de Polignac number, because 2217069102121 - 2¹⁷ = 2217068971049 is a prime.

It is a super-4 number, since 4×2217069102121⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2217069103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539956326 + ... + 539960431.

It is an arithmetic number, because the mean of its divisors is an integer number (554537255233).

Almost surely, 2^{2217069102121} is an apocalyptic number.

It is an amenable number.

2217069102121 is a deficient number, since it is larger than the sum of its proper divisors (1079918811).

2217069102121 is a wasteful number, since it uses less digits than its factorization.

2217069102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079918810.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 2217069102121 in words is "two trillion, two hundred seventeen billion, sixty-nine million, one hundred two thousand, one hundred twenty-one".