12021102222201 has 6 divisors (see below), whose sum is σ = 17363814320970. Its totient is φ = 8014068148128.

The previous prime is 12021102222187. The next prime is 12021102222229. The reversal of 12021102222201 is 10222220112021.

It is a happy number.

12021102222201 is a `hidden beast` number, since 12 + 0 + 211 + 0 + 222 + 220 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11691947583801 + 329154638400 = 3419349^2 + 573720^2 .

It is not a de Polignac number, because 12021102222201 - 2¹⁴ = 12021102205817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021102222401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667839012336 + ... + 667839012353.

It is an arithmetic number, because the mean of its divisors is an integer number (2893969053495).

Almost surely, 2^{12021102222201} is an apocalyptic number.

It is an amenable number.

12021102222201 is a deficient number, since it is larger than the sum of its proper divisors (5342712098769).

12021102222201 is a wasteful number, since it uses less digits than its factorization.

12021102222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335678024695 (or 1335678024692 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12021102222201 its reverse (10222220112021), we get a palindrome (22243322334222).

The spelling of 12021102222201 in words is "twelve trillion, twenty-one billion, one hundred two million, two hundred twenty-two thousand, two hundred one".