12021022111201 has 2 divisors, whose sum is σ = 12021022111202. Its totient is φ = 12021022111200.

The previous prime is 12021022111177. The next prime is 12021022111213. The reversal of 12021022111201 is 10211122012021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8533555500625 + 3487466610576 = 2921225^2 + 1867476^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021022111201 - 2¹¹ = 12021022109153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021022117201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010511055600 + 6010511055601.

It is an arithmetic number, because the mean of its divisors is an integer number (6010511055601).

Almost surely, 2^{12021022111201} is an apocalyptic number.

It is an amenable number.

12021022111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021022111201 is an equidigital number, since it uses as much as digits as its factorization.

12021022111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021022111201 its reverse (10211122012021), we get a palindrome (22232144123222).

The spelling of 12021022111201 in words is "twelve trillion, twenty-one billion, twenty-two million, one hundred eleven thousand, two hundred one".