2011130111 has 2 divisors, whose sum is σ = 2011130112. Its totient is φ = 2011130110.

The previous prime is 2011130029. The next prime is 2011130131. The reversal of 2011130111 is 1110311102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011130111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011130092 and 2011130101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011130131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005565055 + 1005565056.

It is an arithmetic number, because the mean of its divisors is an integer number (1005565056).

Almost surely, 2^2011130111 is an apocalyptic number.

2011130111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011130111 is an equidigital number, since it uses as much as digits as its factorization.

2011130111 is an evil number, because the sum of its binary digits is even.

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

The square root of 2011130111 is about 44845.6253273382. The cubic root of 2011130111 is about 1262.2539045992.

Adding to 2011130111 its reverse (1110311102), we get a palindrome (3121441213).

The spelling of 2011130111 in words is "two billion, eleven million, one hundred thirty thousand, one hundred eleven".