12022112211 has 4 divisors (see below), whose sum is σ = 16029482952. Its totient is φ = 8014741472.

The previous prime is 12022112189. The next prime is 12022112239. The reversal of 12022112211 is 11221122021.

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 12022112211 - 2⁶ = 12022112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12022114211) 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, 2003685366 + ... + 2003685371.

It is an arithmetic number, because the mean of its divisors is an integer number (4007370738).

Almost surely, 2^12022112211 is an apocalyptic number.

12022112211 is a deficient number, since it is larger than the sum of its proper divisors (4007370741).

12022112211 is an equidigital number, since it uses as much as digits as its factorization.

12022112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007370740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12022112211 its reverse (11221122021), we get a palindrome (23243234232).

The spelling of 12022112211 in words is "twelve billion, twenty-two million, one hundred twelve thousand, two hundred eleven".