10001200000111 has 2 divisors, whose sum is σ = 10001200000112. Its totient is φ = 10001200000110.

The previous prime is 10001200000093. The next prime is 10001200000117. The reversal of 10001200000111 is 11100000210001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001200000111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001200000094 and 10001200000103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001200000117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000600000055 + 5000600000056.

It is an arithmetic number, because the mean of its divisors is an integer number (5000600000056).

Almost surely, 2^{10001200000111} is an apocalyptic number.

10001200000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001200000111 is an equidigital number, since it uses as much as digits as its factorization.

10001200000111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10001200000111 its reverse (11100000210001), we get a palindrome (21101200210112).

The spelling of 10001200000111 in words is "ten trillion, one billion, two hundred million, one hundred eleven", and thus it is an aban number.