112212202212101 has 4 divisors (see below), whose sum is σ = 112212223668012. Its totient is φ = 112212180756192.

The previous prime is 112212202212079. The next prime is 112212202212109. The reversal of 112212202212101 is 101212202212211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82113482599201 + 30098719612900 = 9061649^2 + 5486230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112212202212101 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 (112212202212109) 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, 2819801 + ... + 15243873.

It is an arithmetic number, because the mean of its divisors is an integer number (28053055917003).

Almost surely, 2^{112212202212101} is an apocalyptic number.

It is an amenable number.

112212202212101 is a deficient number, since it is larger than the sum of its proper divisors (21455911).

112212202212101 is an equidigital number, since it uses as much as digits as its factorization.

112212202212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455910.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112212202212101 its reverse (101212202212211), we get a palindrome (213424404424312).

The spelling of 112212202212101 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, one hundred one".