221011010110 has 32 divisors (see below), whose sum is σ = 434015187552. Its totient is φ = 80362097280.

The previous prime is 221011010083. The next prime is 221011010137. The reversal of 221011010110 is 11010110122.

221011010110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221011010083) and next prime (221011010137).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1748772 + ... + 1870888.

It is an arithmetic number, because the mean of its divisors is an integer number (13562974611).

Almost surely, 2^221011010110 is an apocalyptic number.

221011010110 is a deficient number, since it is larger than the sum of its proper divisors (213004177442).

221011010110 is a wasteful number, since it uses less digits than its factorization.

221011010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138588.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 221011010110 its reverse (11010110122), we get a palindrome (232021120232).

The spelling of 221011010110 in words is "two hundred twenty-one billion, eleven million, ten thousand, one hundred ten".