1112122211 has 8 divisors (see below), whose sum is σ = 1142175600. Its totient is φ = 1082442400.

The previous prime is 1112122199. The next prime is 1112122261. The reversal of 1112122211 is 1122212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112122211 - 2⁶ = 1112122147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112122261) 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 7 ways as a sum of consecutive naturals, for example, 87356 + ... + 99273.

It is an arithmetic number, because the mean of its divisors is an integer number (142771950).

Almost surely, 2^1112122211 is an apocalyptic number.

1112122211 is a deficient number, since it is larger than the sum of its proper divisors (30053389).

1112122211 is a wasteful number, since it uses less digits than its factorization.

1112122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186789.

The product of its digits is 16, while the sum is 14.

The square root of 1112122211 is about 33348.4963828956. The cubic root of 1112122211 is about 1036.0582456457.

Adding to 1112122211 its reverse (1122212111), we get a palindrome (2234334322).

The spelling of 1112122211 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred eleven".