112101212101 has 4 divisors (see below), whose sum is σ = 112126222432. Its totient is φ = 112076201772.

The previous prime is 112101212071. The next prime is 112101212117. The reversal of 112101212101 is 101212101211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112101212101 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 (112101212141) 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, 12498441 + ... + 12507406.

It is an arithmetic number, because the mean of its divisors is an integer number (28031555608).

Almost surely, 2^112101212101 is an apocalyptic number.

It is an amenable number.

112101212101 is a deficient number, since it is larger than the sum of its proper divisors (25010331).

112101212101 is an equidigital number, since it uses as much as digits as its factorization.

112101212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25010330.

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

Adding to 112101212101 its reverse (101212101211), we get a palindrome (213313313312).

The spelling of 112101212101 in words is "one hundred twelve billion, one hundred one million, two hundred twelve thousand, one hundred one".