112221201111 has 8 divisors (see below), whose sum is σ = 156133845120. Its totient is φ = 71561345592.

The previous prime is 112221201067. The next prime is 112221201121. The reversal of 112221201111 is 111102122211.

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 112221201111 - 2⁶ = 112221201047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813197041 + ... + 813197178.

It is an arithmetic number, because the mean of its divisors is an integer number (19516730640).

Almost surely, 2^112221201111 is an apocalyptic number.

112221201111 is a deficient number, since it is larger than the sum of its proper divisors (43912644009).

112221201111 is a wasteful number, since it uses less digits than its factorization.

112221201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626394245.

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

Adding to 112221201111 its reverse (111102122211), we get a palindrome (223323323322).

The spelling of 112221201111 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred one thousand, one hundred eleven".