221410605104 has 80 divisors (see below), whose sum is σ = 497618817024. Its totient is φ = 94593312000.

The previous prime is 221410605083. The next prime is 221410605107. The reversal of 221410605104 is 401506014122.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (221410605107) 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 15 ways as a sum of consecutive naturals, for example, 598172 + ... + 894779.

Almost surely, 2^221410605104 is an apocalyptic number.

It is an amenable number.

221410605104 is an abundant number, since it is smaller than the sum of its proper divisors (276208211920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221410605104 is a wasteful number, since it uses less digits than its factorization.

221410605104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493026 (or 1493020 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 221410605104 its reverse (401506014122), we get a palindrome (622916619226).

The spelling of 221410605104 in words is "two hundred twenty-one billion, four hundred ten million, six hundred five thousand, one hundred four".