221110120110 has 64 divisors (see below), whose sum is σ = 584638331904. Its totient is φ = 53071728000.

The previous prime is 221110120103. The next prime is 221110120123. The reversal of 221110120110 is 11021011122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3283654 + ... + 3350313.

It is an arithmetic number, because the mean of its divisors is an integer number (9134973936).

Almost surely, 2^221110120110 is an apocalyptic number.

221110120110 is an abundant number, since it is smaller than the sum of its proper divisors (363528211794).

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

221110120110 is a wasteful number, since it uses less digits than its factorization.

221110120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634089.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 221110120110 its reverse (11021011122), we get a palindrome (232131131232).

The spelling of 221110120110 in words is "two hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, one hundred ten".