1112222011111 has 4 divisors (see below), whose sum is σ = 1177646835312. Its totient is φ = 1046797186912.

The previous prime is 1112222011099. The next prime is 1112222011139. The reversal of 1112222011111 is 1111102222111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112222011111 - 2⁵ = 1112222011079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112222011171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32712412075 + ... + 32712412108.

It is an arithmetic number, because the mean of its divisors is an integer number (294411708828).

Almost surely, 2^{1112222011111} is an apocalyptic number.

1112222011111 is a deficient number, since it is larger than the sum of its proper divisors (65424824201).

1112222011111 is an equidigital number, since it uses as much as digits as its factorization.

1112222011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65424824200.

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

Adding to 1112222011111 its reverse (1111102222111), we get a palindrome (2223324233222).

The spelling of 1112222011111 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, eleven thousand, one hundred eleven".