221000110 has 16 divisors (see below), whose sum is σ = 406264896. Its totient is φ = 86519008.

The previous prime is 221000107. The next prime is 221000137. The reversal of 221000110 is 11000122.

221000110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221000093 and 221000102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234637 + ... + 235576.

It is an arithmetic number, because the mean of its divisors is an integer number (25391556).

Almost surely, 2^221000110 is an apocalyptic number.

221000110 is a deficient number, since it is larger than the sum of its proper divisors (185264786).

221000110 is a wasteful number, since it uses less digits than its factorization.

221000110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470267.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 221000110 is about 14866.0724470184. The cubic root of 221000110 is about 604.5944599110.

Adding to 221000110 its reverse (11000122), we get a palindrome (232000232).

The spelling of 221000110 in words is "two hundred twenty-one million, one hundred ten", and thus it is an aban number.