221110106 has 32 divisors (see below), whose sum is σ = 400498560. Its totient is φ = 89436096.

The previous prime is 221110103. The next prime is 221110129. The reversal of 221110106 is 601011122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (221110103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76520 + ... + 79356.

It is an arithmetic number, because the mean of its divisors is an integer number (12515580).

Almost surely, 2^221110106 is an apocalyptic number.

221110106 is a deficient number, since it is larger than the sum of its proper divisors (179388454).

221110106 is a wasteful number, since it uses less digits than its factorization.

221110106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 221110106 is about 14869.7715517085. The cubic root of 221110106 is about 604.6947493664.

Adding to 221110106 its reverse (601011122), we get a palindrome (822121228).

The spelling of 221110106 in words is "two hundred twenty-one million, one hundred ten thousand, one hundred six".