12022222111011 has 32 divisors (see below), whose sum is σ = 20362270955520. Its totient is φ = 6867415965312.

The previous prime is 12022222111001. The next prime is 12022222111063. The reversal of 12022222111011 is 11011122222021.

12022222111011 is a `hidden beast` number, since 120 + 222 + 221 + 1 + 101 + 1 = 666.

It is not a de Polignac number, because 12022222111011 - 2¹³ = 12022222102819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12022222111001) 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, 10691115 + ... + 11761988.

It is an arithmetic number, because the mean of its divisors is an integer number (636320967360).

Almost surely, 2^{12022222111011} is an apocalyptic number.

12022222111011 is a deficient number, since it is larger than the sum of its proper divisors (8340048844509).

12022222111011 is a wasteful number, since it uses less digits than its factorization.

12022222111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22455952 (or 22455946 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12022222111011 its reverse (11011122222021), we get a palindrome (23033344333032).

The spelling of 12022222111011 in words is "twelve trillion, twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, eleven".