2174570216121 has 16 divisors (see below), whose sum is σ = 2940880219200. Its totient is φ = 1429121873088.

The previous prime is 2174570216047. The next prime is 2174570216131. The reversal of 2174570216121 is 1216120754712.

It is not a de Polignac number, because 2174570216121 - 2¹¹ = 2174570214073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2174570216121.

It is not an unprimeable number, because it can be changed into a prime (2174570216131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16813911 + ... + 16942748.

It is an arithmetic number, because the mean of its divisors is an integer number (183805013700).

Almost surely, 2^{2174570216121} is an apocalyptic number.

It is an amenable number.

2174570216121 is a deficient number, since it is larger than the sum of its proper divisors (766310003079).

2174570216121 is a wasteful number, since it uses less digits than its factorization.

2174570216121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33756968.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 2174570216121 in words is "two trillion, one hundred seventy-four billion, five hundred seventy million, two hundred sixteen thousand, one hundred twenty-one".