12022221121011 has 12 divisors (see below), whose sum is σ = 17373775287960. Its totient is φ = 8010962643840.

The previous prime is 12022221120979. The next prime is 12022221121063. The reversal of 12022221121011 is 11012112222021.

12022221121011 is a `hidden beast` number, since 1 + 20 + 222 + 211 + 210 + 1 + 1 = 666.

It is not a de Polignac number, because 12022221121011 - 2⁵ = 12022221120979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12022221121111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320933301 + ... + 320970758.

It is an arithmetic number, because the mean of its divisors is an integer number (1447814607330).

Almost surely, 2^{12022221121011} is an apocalyptic number.

12022221121011 is a deficient number, since it is larger than the sum of its proper divisors (5351554166949).

12022221121011 is a wasteful number, since it uses less digits than its factorization.

12022221121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641906146 (or 641906143 counting only the distinct ones).

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

Adding to 12022221121011 its reverse (11012112222021), we get a palindrome (23034333343032).

The spelling of 12022221121011 in words is "twelve trillion, twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, eleven".