112221110101 has 4 divisors (see below), whose sum is σ = 112869787212. Its totient is φ = 111572432992.

The previous prime is 112221110083. The next prime is 112221110119. The reversal of 112221110101 is 101011122211.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (112221110083) and next prime (112221110119).

It can be written as a sum of positive squares in 2 ways, for example, as 89646348100 + 22574762001 = 299410^2 + 150249^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221110101 - 2⁹ = 112221109589 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 (112221110171) 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 3 ways as a sum of consecutive naturals, for example, 324338296 + ... + 324338641.

It is an arithmetic number, because the mean of its divisors is an integer number (28217446803).

Almost surely, 2^112221110101 is an apocalyptic number.

It is an amenable number.

112221110101 is a deficient number, since it is larger than the sum of its proper divisors (648677111).

112221110101 is an equidigital number, since it uses as much as digits as its factorization.

112221110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648677110.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112221110101 its reverse (101011122211), we get a palindrome (213232232312).

It can be divided in two parts, 1122211 and 10101, that multiplied together give a palindrome (11335453311).

The spelling of 112221110101 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, one hundred one".