1112011811 has 2 divisors, whose sum is σ = 1112011812. Its totient is φ = 1112011810.

The previous prime is 1112011729. The next prime is 1112011853. The reversal of 1112011811 is 1181102111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112011811 - 2¹⁰ = 1112010787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112011811.

It is not a weakly prime, because it can be changed into another prime (1112013811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556005905 + 556005906.

It is an arithmetic number, because the mean of its divisors is an integer number (556005906).

Almost surely, 2^1112011811 is an apocalyptic number.

1112011811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112011811 is an equidigital number, since it uses as much as digits as its factorization.

1112011811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 17.

The square root of 1112011811 is about 33346.8410947724. The cubic root of 1112011811 is about 1036.0239614594.

Adding to 1112011811 its reverse (1181102111), we get a palindrome (2293113922).

The spelling of 1112011811 in words is "one billion, one hundred twelve million, eleven thousand, eight hundred eleven".