111201012011 has 2 divisors, whose sum is σ = 111201012012. Its totient is φ = 111201012010.

The previous prime is 111201011969. The next prime is 111201012029. The reversal of 111201012011 is 110210102111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111201012011 - 2³⁴ = 94021142827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111201011983 and 111201012001.

It is not a weakly prime, because it can be changed into another prime (111201012061) 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, 55600506005 + 55600506006.

It is an arithmetic number, because the mean of its divisors is an integer number (55600506006).

Almost surely, 2^111201012011 is an apocalyptic number.

111201012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201012011 is an equidigital number, since it uses as much as digits as its factorization.

111201012011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111201012011 its reverse (110210102111), we get a palindrome (221411114122).

The spelling of 111201012011 in words is "one hundred eleven billion, two hundred one million, twelve thousand, eleven".