12122222100211 has 32 divisors (see below), whose sum is σ = 12518972928000. Its totient is φ = 11733059112192.

The previous prime is 12122222100179. The next prime is 12122222100251. The reversal of 12122222100211 is 11200122222121.

It is a cyclic number.

It is not a de Polignac number, because 12122222100211 - 2⁵ = 12122222100179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122222100251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1994111470 + ... + 1994117548.

It is an arithmetic number, because the mean of its divisors is an integer number (391217904000).

Almost surely, 2^{12122222100211} is an apocalyptic number.

12122222100211 is a deficient number, since it is larger than the sum of its proper divisors (396750827789).

12122222100211 is a wasteful number, since it uses less digits than its factorization.

12122222100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771.

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

Adding to 12122222100211 its reverse (11200122222121), we get a palindrome (23322344322332).

The spelling of 12122222100211 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, two hundred eleven".