12201221102 has 32 divisors (see below), whose sum is σ = 21845970432. Its totient is φ = 4997117664.

The previous prime is 12201221083. The next prime is 12201221111. The reversal of 12201221102 is 20112210221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342713 + ... + 376635.

It is an arithmetic number, because the mean of its divisors is an integer number (682686576).

Almost surely, 2^12201221102 is an apocalyptic number.

12201221102 is a deficient number, since it is larger than the sum of its proper divisors (9644749330).

12201221102 is a wasteful number, since it uses less digits than its factorization.

12201221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35072.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201221102 its reverse (20112210221), we get a palindrome (32313431323).

The spelling of 12201221102 in words is "twelve billion, two hundred one million, two hundred twenty-one thousand, one hundred two".