2011211111103 has 16 divisors (see below), whose sum is σ = 2790486061440. Its totient is φ = 1287428786784.

The previous prime is 2011211111093. The next prime is 2011211111111. The reversal of 2011211111103 is 3011111121102.

It is not a de Polignac number, because 2011211111103 - 2¹⁶ = 2011211045567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011211111113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132117676 + ... + 132132897.

It is an arithmetic number, because the mean of its divisors is an integer number (174405378840).

Almost surely, 2^{2011211111103} is an apocalyptic number.

2011211111103 is a deficient number, since it is larger than the sum of its proper divisors (779274950337).

2011211111103 is a wasteful number, since it uses less digits than its factorization.

2011211111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264250678.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 2011211111103 its reverse (3011111121102), we get a palindrome (5022322232205).

Subtracting 2011211111103 from its reverse (3011111121102), we obtain a palindrome (999900009999).

The spelling of 2011211111103 in words is "two trillion, eleven billion, two hundred eleven million, one hundred eleven thousand, one hundred three".