1112212011 has 4 divisors (see below), whose sum is σ = 1482949352. Its totient is φ = 741474672.

The previous prime is 1112212001. The next prime is 1112212019. The reversal of 1112212011 is 1102122111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1112212011 - 2⁵ = 1112211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185368666 + ... + 185368671.

It is an arithmetic number, because the mean of its divisors is an integer number (370737338).

Almost surely, 2^1112212011 is an apocalyptic number.

1112212011 is a deficient number, since it is larger than the sum of its proper divisors (370737341).

1112212011 is an equidigital number, since it uses as much as digits as its factorization.

1112212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370737340.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1112212011 is about 33349.8427432574. The cubic root of 1112212011 is about 1036.0861309283.

Adding to 1112212011 its reverse (1102122111), we get a palindrome (2214334122).

It can be divided in two parts, 111 and 2212011, that added together give a palindrome (2212122).

The spelling of 1112212011 in words is "one billion, one hundred twelve million, two hundred twelve thousand, eleven".