221305114116 has 48 divisors (see below), whose sum is σ = 573980332800. Its totient is φ = 73739271456.

The previous prime is 221305114091. The next prime is 221305114171. The reversal of 221305114116 is 611411503122.

221305114116 is a `hidden beast` number, since 2 + 2 + 1 + 30 + 511 + 4 + 116 = 666.

It is a super-2 number, since 2×221305114116² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 221305114116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128251 + ... + 677538.

It is an arithmetic number, because the mean of its divisors is an integer number (11957923600).

Almost surely, 2^221305114116 is an apocalyptic number.

It is an amenable number.

221305114116 is an abundant number, since it is smaller than the sum of its proper divisors (352675218684).

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

221305114116 is a wasteful number, since it uses less digits than its factorization.

221305114116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808345 (or 808337 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 221305114116 its reverse (611411503122), we get a palindrome (832716617238).

The spelling of 221305114116 in words is "two hundred twenty-one billion, three hundred five million, one hundred fourteen thousand, one hundred sixteen".