221113220110 has 8 divisors (see below), whose sum is σ = 398003796216. Its totient is φ = 88445288040.

The previous prime is 221113220099. The next prime is 221113220131. The reversal of 221113220110 is 11022311122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221113220110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055660996 + ... + 11055661015.

It is an arithmetic number, because the mean of its divisors is an integer number (49750474527).

Almost surely, 2^221113220110 is an apocalyptic number.

221113220110 is a deficient number, since it is larger than the sum of its proper divisors (176890576106).

221113220110 is a wasteful number, since it uses less digits than its factorization.

221113220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22111322018.

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

Adding to 221113220110 its reverse (11022311122), we get a palindrome (232135531232).

The spelling of 221113220110 in words is "two hundred twenty-one billion, one hundred thirteen million, two hundred twenty thousand, one hundred ten".