12022201112221 has 8 divisors (see below), whose sum is σ = 12654991447200. Its totient is φ = 11389415068080.

The previous prime is 12022201112219. The next prime is 12022201112227. The reversal of 12022201112221 is 12221110222021.

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

It is not a de Polignac number, because 12022201112221 - 2¹ = 12022201112219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022201112227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811210 + ... + 7603588.

It is an arithmetic number, because the mean of its divisors is an integer number (1581873930900).

Almost surely, 2^{12022201112221} is an apocalyptic number.

It is an amenable number.

12022201112221 is a deficient number, since it is larger than the sum of its proper divisors (632790334979).

12022201112221 is a wasteful number, since it uses less digits than its factorization.

12022201112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145419.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12022201112221 its reverse (12221110222021), we get a palindrome (24243311334242).

The spelling of 12022201112221 in words is "twelve trillion, twenty-two billion, two hundred one million, one hundred twelve thousand, two hundred twenty-one".