112122222011 has 4 divisors (see below), whose sum is σ = 112126491792. Its totient is φ = 112117952232.

The previous prime is 112122221969. The next prime is 112122222031. The reversal of 112122222011 is 110222221211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112122222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122222031) 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, 2095256 + ... + 2148101.

It is an arithmetic number, because the mean of its divisors is an integer number (28031622948).

Almost surely, 2^112122222011 is an apocalyptic number.

112122222011 is a deficient number, since it is larger than the sum of its proper divisors (4269781).

112122222011 is an equidigital number, since it uses as much as digits as its factorization.

112122222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269780.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112122222011 its reverse (110222221211), we get a palindrome (222344443222).

The spelling of 112122222011 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, eleven".