221022102201109 has 16 divisors (see below), whose sum is σ = 268735007465280. Its totient is φ = 179156671637760.

The previous prime is 221022102201001. The next prime is 221022102201139. The reversal of 221022102201109 is 901102201220122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221022102201109 - 2¹¹ = 221022102199061 is a prime.

It is a super-2 number, since 2×221022102201109² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022102201139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31103585274 + ... + 31103592379.

It is an arithmetic number, because the mean of its divisors is an integer number (16795937966580).

Almost surely, 2^{221022102201109} is an apocalyptic number.

It is an amenable number.

221022102201109 is a deficient number, since it is larger than the sum of its proper divisors (47712905264171).

221022102201109 is a wasteful number, since it uses less digits than its factorization.

221022102201109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62207177700.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 221022102201109 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred two million, two hundred one thousand, one hundred nine".