12100020200111 has 2 divisors, whose sum is σ = 12100020200112. Its totient is φ = 12100020200110.

The previous prime is 12100020200087. The next prime is 12100020200141. The reversal of 12100020200111 is 11100202000121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100020200111 is a prime.

It is a super-3 number, since 3×12100020200111³ (a number of 40 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12100020200092 and 12100020200101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100020200141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050010100055 + 6050010100056.

It is an arithmetic number, because the mean of its divisors is an integer number (6050010100056).

Almost surely, 2^{12100020200111} is an apocalyptic number.

12100020200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100020200111 is an equidigital number, since it uses as much as digits as its factorization.

12100020200111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100020200111 its reverse (11100202000121), we get a palindrome (23200222200232).

The spelling of 12100020200111 in words is "twelve trillion, one hundred billion, twenty million, two hundred thousand, one hundred eleven".