105221102 has 16 divisors (see below), whose sum is σ = 180879360. Its totient is φ = 44969688.

The previous prime is 105221101. The next prime is 105221117. The reversal of 105221102 is 201122501.

It is a super-2 number, since 2×105221102² = 22142960612188808, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105221101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5102 + ... + 15377.

It is an arithmetic number, because the mean of its divisors is an integer number (11304960).

Almost surely, 2^105221102 is an apocalyptic number.

105221102 is a deficient number, since it is larger than the sum of its proper divisors (75658258).

105221102 is a wasteful number, since it uses less digits than its factorization.

105221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 105221102 is about 10257.7337653109. The cubic root of 105221102 is about 472.1003060546.

Adding to 105221102 its reverse (201122501), we get a palindrome (306343603).

The spelling of 105221102 in words is "one hundred five million, two hundred twenty-one thousand, one hundred two".