2111010120103 has 2 divisors, whose sum is σ = 2111010120104. Its totient is φ = 2111010120102.

The previous prime is 2111010120091. The next prime is 2111010120217. The reversal of 2111010120103 is 3010210101112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111010120103 - 2⁹ = 2111010119591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111010129103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055505060051 + 1055505060052.

It is an arithmetic number, because the mean of its divisors is an integer number (1055505060052).

Almost surely, 2^{2111010120103} is an apocalyptic number.

2111010120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111010120103 is an equidigital number, since it uses as much as digits as its factorization.

2111010120103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2111010120103 its reverse (3010210101112), we get a palindrome (5121220221215).

The spelling of 2111010120103 in words is "two trillion, one hundred eleven billion, ten million, one hundred twenty thousand, one hundred three".