12122210221102 has 4 divisors (see below), whose sum is σ = 18183315331656. Its totient is φ = 6061105110550.

The previous prime is 12122210221097. The next prime is 12122210221193. The reversal of 12122210221102 is 20112201222121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12122210221102.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3030552555274 + ... + 3030552555277.

It is an arithmetic number, because the mean of its divisors is an integer number (4545828832914).

Almost surely, 2^{12122210221102} is an apocalyptic number.

12122210221102 is a deficient number, since it is larger than the sum of its proper divisors (6061105110554).

12122210221102 is an equidigital number, since it uses as much as digits as its factorization.

12122210221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061105110553.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122210221102 its reverse (20112201222121), we get a palindrome (32234411443223).

The spelling of 12122210221102 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, one hundred two".