112212101 has 8 divisors (see below), whose sum is σ = 117599040. Its totient is φ = 106867552.

The previous prime is 112212031. The next prime is 112212103. The reversal of 112212101 is 101212211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112212101 is a prime.

It is a super-2 number, since 2×112212101² = 25183111221668402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5111 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (14699880).

Almost surely, 2^112212101 is an apocalyptic number.

It is an amenable number.

112212101 is a deficient number, since it is larger than the sum of its proper divisors (5386939).

112212101 is a wasteful number, since it uses less digits than its factorization.

112212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21195.

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

The square root of 112212101 is about 10593.0213348223. The cubic root of 112212101 is about 482.3325428535.

Adding to 112212101 its reverse (101212211), we get a palindrome (213424312).

The spelling of 112212101 in words is "one hundred twelve million, two hundred twelve thousand, one hundred one".