12022210111 has 4 divisors (see below), whose sum is σ = 12022610392. Its totient is φ = 12021809832.

The previous prime is 12022210103. The next prime is 12022210133. The reversal of 12022210111 is 11101222021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11101222021 = 23 ⋅482661827.

It is a cyclic number.

It is not a de Polignac number, because 12022210111 - 2³ = 12022210103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022210091 and 12022210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151080 + ... + 216493.

It is an arithmetic number, because the mean of its divisors is an integer number (3005652598).

Almost surely, 2^12022210111 is an apocalyptic number.

12022210111 is a deficient number, since it is larger than the sum of its proper divisors (400281).

12022210111 is an equidigital number, since it uses as much as digits as its factorization.

12022210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400280.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12022210111 its reverse (11101222021), we get a palindrome (23123432132).

The spelling of 12022210111 in words is "twelve billion, twenty-two million, two hundred ten thousand, one hundred eleven".