112212101221101 has 12 divisors (see below), whose sum is σ = 185239024238112. Its totient is φ = 64121200697736.

The previous prime is 112212101221043. The next prime is 112212101221139. The reversal of 112212101221101 is 101122101212211.

It is a happy number.

112212101221101 is a `hidden beast` number, since 1 + 1 + 221 + 210 + 1 + 221 + 10 + 1 = 666.

It is not a de Polignac number, because 112212101221101 - 2²⁵ = 112212067666669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212101211101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890572231851 + ... + 890572231976.

It is an arithmetic number, because the mean of its divisors is an integer number (15436585353176).

Almost surely, 2^{112212101221101} is an apocalyptic number.

It is an amenable number.

112212101221101 is a deficient number, since it is larger than the sum of its proper divisors (73026923017011).

112212101221101 is a wasteful number, since it uses less digits than its factorization.

112212101221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781144463840 (or 1781144463837 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112212101221101 its reverse (101122101212211), we get a palindrome (213334202433312).

The spelling of 112212101221101 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred one million, two hundred twenty-one thousand, one hundred one".