12122210221103 has 4 divisors (see below), whose sum is σ = 12320934978888. Its totient is φ = 11923485463320.

The previous prime is 12122210221097. The next prime is 12122210221193. The reversal of 12122210221103 is 30112201222121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122210221103 - 2³⁴ = 12105030351919 is a prime.

It is a super-2 number, since 2×12122210221103² (a number of 27 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 (12122210221193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99362378801 + ... + 99362378922.

It is an arithmetic number, because the mean of its divisors is an integer number (3080233744722).

Almost surely, 2^{12122210221103} is an apocalyptic number.

12122210221103 is a deficient number, since it is larger than the sum of its proper divisors (198724757785).

12122210221103 is an equidigital number, since it uses as much as digits as its factorization.

12122210221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198724757784.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12122210221103 its reverse (30112201222121), we get a palindrome (42234411443224).

The spelling of 12122210221103 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, one hundred three".