12220221102 has 32 divisors (see below), whose sum is σ = 25114862112. Its totient is φ = 3961125504.

The previous prime is 12220221043. The next prime is 12220221121. The reversal of 12220221102 is 20112202221.

12220221102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414888 + ... + 443364.

It is an arithmetic number, because the mean of its divisors is an integer number (784839441).

Almost surely, 2^12220221102 is an apocalyptic number.

12220221102 is an abundant number, since it is smaller than the sum of its proper divisors (12894641010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220221102 is a wasteful number, since it uses less digits than its factorization.

12220221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30452.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220221102 its reverse (20112202221), we get a palindrome (32332423323).

The spelling of 12220221102 in words is "twelve billion, two hundred twenty million, two hundred twenty-one thousand, one hundred two".