2011200120103 has 2 divisors, whose sum is σ = 2011200120104. Its totient is φ = 2011200120102.

The previous prime is 2011200120101. The next prime is 2011200120107. The reversal of 2011200120103 is 3010210021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011200120103 - 2¹ = 2011200120101 is a prime.

Together with 2011200120101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011200120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005600060051 + 1005600060052.

It is an arithmetic number, because the mean of its divisors is an integer number (1005600060052).

Almost surely, 2^{2011200120103} is an apocalyptic number.

2011200120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011200120103 is an equidigital number, since it uses as much as digits as its factorization.

2011200120103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2011200120103 its reverse (3010210021102), we get a palindrome (5021410141205).

Subtracting 2011200120103 from its reverse (3010210021102), we obtain a palindrome (999009900999).

The spelling of 2011200120103 in words is "two trillion, eleven billion, two hundred million, one hundred twenty thousand, one hundred three".