221113110220 has 48 divisors (see below), whose sum is σ = 474358187520. Its totient is φ = 86537668544.

The previous prime is 221113110217. The next prime is 221113110301. The reversal of 221113110220 is 22011311122.

It is a super-2 number, since 2×221113110220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221113110194 and 221113110203.

It is an unprimeable number.

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, 3293427 + ... + 3359893.

It is an arithmetic number, because the mean of its divisors is an integer number (9882462240).

Almost surely, 2^221113110220 is an apocalyptic number.

221113110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221113110220 is an abundant number, since it is smaller than the sum of its proper divisors (253245077300).

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

221113110220 is a wasteful number, since it uses less digits than its factorization.

221113110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70062 (or 70060 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221113110220 its reverse (22011311122), we get a palindrome (243124421342).

The spelling of 221113110220 in words is "two hundred twenty-one billion, one hundred thirteen million, one hundred ten thousand, two hundred twenty".