12122102211 has 8 divisors (see below), whose sum is σ = 16184559360.
Its totient is φ = 8070523272.
The previous prime is 12122102203. The next prime is 12122102221. The reversal of 12122102211 is 11220122121.
Adding to 12122102211 its reverse (11220122121), we get a palindrome (23342224332).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12122102211 - 23 = 12122102203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12122102221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716951 + ... + 2721408.
It is an arithmetic number, because the mean of its divisors is an integer number (2023069920).
Almost surely, 212122102211 is an apocalyptic number.
12122102211 is a deficient number, since it is larger than the sum of its proper divisors (4062457149).
12122102211 is an equidigital number, since it uses as much as digits as its factorization.
12122102211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5439105.
The product of its (nonzero) digits is 32, while the sum is 15.
The spelling of 12122102211 in words is "twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred eleven".