12020012211101 has 2 divisors, whose sum is σ = 12020012211102. Its totient is φ = 12020012211100.

The previous prime is 12020012211047. The next prime is 12020012211149. The reversal of 12020012211101 is 10111221002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8585773162201 + 3434239048900 = 2930149^2 + 1853170^2 .

It is an emirp because it is prime and its reverse (10111221002021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12020012211101 - 2⁶ = 12020012211037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020012211191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010006105550 + 6010006105551.

It is an arithmetic number, because the mean of its divisors is an integer number (6010006105551).

Almost surely, 2^{12020012211101} is an apocalyptic number.

It is an amenable number.

12020012211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020012211101 is an equidigital number, since it uses as much as digits as its factorization.

12020012211101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12020012211101 its reverse (10111221002021), we get a palindrome (22131233213122).

The spelling of 12020012211101 in words is "twelve trillion, twenty billion, twelve million, two hundred eleven thousand, one hundred one".