221410605105 has 24 divisors (see below), whose sum is σ = 385469053632. Its totient is φ = 117565449504.

The previous prime is 221410605083. The next prime is 221410605107. The reversal of 221410605105 is 501506014122.

221410605105 is a `hidden beast` number, since 2 + 2 + 1 + 41 + 0 + 605 + 10 + 5 = 666.

It is not a de Polignac number, because 221410605105 - 2¹⁸ = 221410342961 is a prime.

It is a super-2 number, since 2×221410605105² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221410605107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10827309 + ... + 10847738.

It is an arithmetic number, because the mean of its divisors is an integer number (16061210568).

Almost surely, 2^221410605105 is an apocalyptic number.

It is an amenable number.

221410605105 is a deficient number, since it is larger than the sum of its proper divisors (164058448527).

221410605105 is a wasteful number, since it uses less digits than its factorization.

221410605105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21675285 (or 21675282 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 221410605105 its reverse (501506014122), we get a palindrome (722916619227).

The spelling of 221410605105 in words is "two hundred twenty-one billion, four hundred ten million, six hundred five thousand, one hundred five".