2013110111 has 2 divisors, whose sum is σ = 2013110112. Its totient is φ = 2013110110.

The previous prime is 2013110107. The next prime is 2013110129. The reversal of 2013110111 is 1110113102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013110111 - 2² = 2013110107 is a prime.

It is a super-2 number, since 2×2013110111² = 8105224638020864642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013110092 and 2013110101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013110191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006555055 + 1006555056.

It is an arithmetic number, because the mean of its divisors is an integer number (1006555056).

Almost surely, 2^2013110111 is an apocalyptic number.

2013110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013110111 is an equidigital number, since it uses as much as digits as its factorization.

2013110111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 2013110111 is about 44867.6956283694. The cubic root of 2013110111 is about 1262.6680072594.

Adding to 2013110111 its reverse (1110113102), we get a palindrome (3123223213).

The spelling of 2013110111 in words is "two billion, thirteen million, one hundred ten thousand, one hundred eleven".