12022021210211 has 4 divisors (see below), whose sum is σ = 12544717784592. Its totient is φ = 11499324635832.

The previous prime is 12022021210207. The next prime is 12022021210217. The reversal of 12022021210211 is 11201212022021.

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 12022021210211 - 2² = 12022021210207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12022021210211.

It is not an unprimeable number, because it can be changed into a prime (12022021210217) 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, 261348287156 + ... + 261348287201.

It is an arithmetic number, because the mean of its divisors is an integer number (3136179446148).

Almost surely, 2^{12022021210211} is an apocalyptic number.

12022021210211 is a deficient number, since it is larger than the sum of its proper divisors (522696574381).

12022021210211 is an equidigital number, since it uses as much as digits as its factorization.

12022021210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522696574380.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12022021210211 its reverse (11201212022021), we get a palindrome (23223233232232).

The spelling of 12022021210211 in words is "twelve trillion, twenty-two billion, twenty-one million, two hundred ten thousand, two hundred eleven".