112221011 has 16 divisors (see below), whose sum is σ = 135398400. Its totient is φ = 90859968.

The previous prime is 112220921. The next prime is 112221017. The reversal of 112221011 is 110122211.

It is a cyclic number.

It is not a de Polignac number, because 112221011 - 2²⁶ = 45112147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220983 and 112221001.

It is not an unprimeable number, because it can be changed into a prime (112221017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53366 + ... + 55428.

It is an arithmetic number, because the mean of its divisors is an integer number (8462400).

Almost surely, 2^112221011 is an apocalyptic number.

112221011 is a deficient number, since it is larger than the sum of its proper divisors (23177389).

112221011 is a wasteful number, since it uses less digits than its factorization.

112221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 112221011 is about 10593.4418863748. The cubic root of 112221011 is about 482.3453087649.

Adding to 112221011 its reverse (110122211), we get a palindrome (222343222).

The spelling of 112221011 in words is "one hundred twelve million, two hundred twenty-one thousand, eleven".