12022021201121 has 8 divisors (see below), whose sum is σ = 12729234291840. Its totient is φ = 11314812040768.

The previous prime is 12022021201111. The next prime is 12022021201133. The reversal of 12022021201121 is 12110212022021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022021201121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 12022021201121.

It is not an unprimeable number, because it can be changed into a prime (12022021201111) 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 7 ways as a sum of consecutive naturals, for example, 7318700 + ... + 8809506.

It is an arithmetic number, because the mean of its divisors is an integer number (1591154286480).

Almost surely, 2^{12022021201121} is an apocalyptic number.

It is an amenable number.

12022021201121 is a deficient number, since it is larger than the sum of its proper divisors (707213090719).

12022021201121 is a wasteful number, since it uses less digits than its factorization.

12022021201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965183.

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

Adding to 12022021201121 its reverse (12110212022021), we get a palindrome (24132233223142).

The spelling of 12022021201121 in words is "twelve trillion, twenty-two billion, twenty-one million, two hundred one thousand, one hundred twenty-one".