169110022121 has 4 divisors (see below), whose sum is σ = 170122657152. Its totient is φ = 168097387092.

The previous prime is 169110022097. The next prime is 169110022129. The reversal of 169110022121 is 121220011961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121220011961 = 53 ⋅2287170037.

It is a cyclic number.

It is not a de Polignac number, because 169110022121 - 2⁶ = 169110022057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169110022129) 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, 506317265 + ... + 506317598.

It is an arithmetic number, because the mean of its divisors is an integer number (42530664288).

Almost surely, 2^169110022121 is an apocalyptic number.

It is an amenable number.

169110022121 is a deficient number, since it is larger than the sum of its proper divisors (1012635031).

169110022121 is a wasteful number, since it uses less digits than its factorization.

169110022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012635030.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 169110022121 in words is "one hundred sixty-nine billion, one hundred ten million, twenty-two thousand, one hundred twenty-one".