113211011 has 2 divisors, whose sum is σ = 113211012. Its totient is φ = 113211010.

The previous prime is 113210989. The next prime is 113211019. The reversal of 113211011 is 110112311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113211011 - 2⁶ = 113210947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113210983 and 113211001.

It is not a weakly prime, because it can be changed into another prime (113211019) 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, 56605505 + 56605506.

It is an arithmetic number, because the mean of its divisors is an integer number (56605506).

Almost surely, 2^113211011 is an apocalyptic number.

113211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

113211011 is an equidigital number, since it uses as much as digits as its factorization.

113211011 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 113211011 is about 10640.0663061844. The cubic root of 113211011 is about 483.7595551710.

Adding to 113211011 its reverse (110112311), we get a palindrome (223323322).

The spelling of 113211011 in words is "one hundred thirteen million, two hundred eleven thousand, eleven".