12221211103 has 8 divisors (see below), whose sum is σ = 13075326320. Its totient is φ = 11388185280.

The previous prime is 12221211091. The next prime is 12221211109. The reversal of 12221211103 is 30111212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221211103 - 2⁵ = 12221211071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221211109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5271150 + ... + 5273467.

It is an arithmetic number, because the mean of its divisors is an integer number (1634415790).

Almost surely, 2^12221211103 is an apocalyptic number.

12221211103 is a deficient number, since it is larger than the sum of its proper divisors (854115217).

12221211103 is a wasteful number, since it uses less digits than its factorization.

12221211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544697.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12221211103 its reverse (30111212221), we get a palindrome (42332423324).

The spelling of 12221211103 in words is "twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred three".