12020202122111 has 2 divisors, whose sum is σ = 12020202122112. Its totient is φ = 12020202122110.

The previous prime is 12020202122029. The next prime is 12020202122147. The reversal of 12020202122111 is 11122120202021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020202122111 - 2¹⁴ = 12020202105727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12020202122111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020202125111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010101061055 + 6010101061056.

It is an arithmetic number, because the mean of its divisors is an integer number (6010101061056).

Almost surely, 2^{12020202122111} is an apocalyptic number.

12020202122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020202122111 is an equidigital number, since it uses as much as digits as its factorization.

12020202122111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12020202122111 its reverse (11122120202021), we get a palindrome (23142322324132).

The spelling of 12020202122111 in words is "twelve trillion, twenty billion, two hundred two million, one hundred twenty-two thousand, one hundred eleven".