12002221103 has 16 divisors (see below), whose sum is σ = 12505152000. Its totient is φ = 11510160480.

The previous prime is 12002221081. The next prime is 12002221139. The reversal of 12002221103 is 30112220021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12002221103 - 2¹⁴ = 12002204719 is a prime.

It is a super-2 number, since 2×12002221103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002221163) 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 15 ways as a sum of consecutive naturals, for example, 1567358 + ... + 1574996.

It is an arithmetic number, because the mean of its divisors is an integer number (781572000).

Almost surely, 2^12002221103 is an apocalyptic number.

12002221103 is a deficient number, since it is larger than the sum of its proper divisors (502930897).

12002221103 is an equidigital number, since it uses as much as digits as its factorization.

12002221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12002221103 its reverse (30112220021), we get a palindrome (42114441124).

The spelling of 12002221103 in words is "twelve billion, two million, two hundred twenty-one thousand, one hundred three".