112111222011 has 8 divisors (see below), whose sum is σ = 155980830720. Its totient is φ = 71491213992.

The previous prime is 112111221997. The next prime is 112111222049. The reversal of 112111222011 is 110222111211.

It is a happy number.

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

It is not a de Polignac number, because 112111222011 - 2⁶ = 112111221947 is a prime.

It is a super-2 number, since 2×112111222011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112111222411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812400091 + ... + 812400228.

It is an arithmetic number, because the mean of its divisors is an integer number (19497603840).

Almost surely, 2^112111222011 is an apocalyptic number.

112111222011 is a deficient number, since it is larger than the sum of its proper divisors (43869608709).

112111222011 is a wasteful number, since it uses less digits than its factorization.

112111222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624800345.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112111222011 its reverse (110222111211), we get a palindrome (222333333222).

The spelling of 112111222011 in words is "one hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, eleven".