12202021112111 has 2 divisors, whose sum is σ = 12202021112112. Its totient is φ = 12202021112110.

The previous prime is 12202021112089. The next prime is 12202021112123. The reversal of 12202021112111 is 11121112020221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12202021112111 - 2³⁸ = 11927143205167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202021112111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202021112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101010556055 + 6101010556056.

It is an arithmetic number, because the mean of its divisors is an integer number (6101010556056).

Almost surely, 2^{12202021112111} is an apocalyptic number.

12202021112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202021112111 is an equidigital number, since it uses as much as digits as its factorization.

12202021112111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12202021112111 its reverse (11121112020221), we get a palindrome (23323133132332).

The spelling of 12202021112111 in words is "twelve trillion, two hundred two billion, twenty-one million, one hundred twelve thousand, one hundred eleven".