11100121120103 has 2 divisors, whose sum is σ = 11100121120104. Its totient is φ = 11100121120102.

The previous prime is 11100121120087. The next prime is 11100121120157. The reversal of 11100121120103 is 30102112100111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100121120103 - 2⁴ = 11100121120087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100121120003) 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, 5550060560051 + 5550060560052.

It is an arithmetic number, because the mean of its divisors is an integer number (5550060560052).

Almost surely, 2^{11100121120103} is an apocalyptic number.

11100121120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100121120103 is an equidigital number, since it uses as much as digits as its factorization.

11100121120103 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 14.

Adding to 11100121120103 its reverse (30102112100111), we get a palindrome (41202233220214).

The spelling of 11100121120103 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, one hundred twenty thousand, one hundred three".