1112311211 has 16 divisors (see below), whose sum is σ = 1309858560. Its totient is φ = 933868320.

The previous prime is 1112311201. The next prime is 1112311223. The reversal of 1112311211 is 1121132111.

It is not a de Polignac number, because 1112311211 - 2²² = 1108116907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112311201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68465 + ... + 83138.

It is an arithmetic number, because the mean of its divisors is an integer number (81866160).

Almost surely, 2^1112311211 is an apocalyptic number.

1112311211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112311211 is a deficient number, since it is larger than the sum of its proper divisors (197547349).

1112311211 is a wasteful number, since it uses less digits than its factorization.

1112311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151666.

The product of its digits is 12, while the sum is 14.

The square root of 1112311211 is about 33351.3299734808. The cubic root of 1112311211 is about 1036.1169334155.

Adding to 1112311211 its reverse (1121132111), we get a palindrome (2233443322).

Subtracting 1112311211 from its reverse (1121132111), we obtain a square (8820900 = 2970²).

The spelling of 1112311211 in words is "one billion, one hundred twelve million, three hundred eleven thousand, two hundred eleven".