112113121131211 has 4 divisors (see below), whose sum is σ = 112113142327872. Its totient is φ = 112113099934552.

The previous prime is 112113121131203. The next prime is 112113121131241. The reversal of 112113121131211 is 112131121311211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 112113121131211 - 2³ = 112113121131203 is a prime.

It is a super-3 number, since 3×112113121131211³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112113121131241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4609365 + ... + 15667561.

It is an arithmetic number, because the mean of its divisors is an integer number (28028285581968).

Almost surely, 2^{112113121131211} is an apocalyptic number.

112113121131211 is a deficient number, since it is larger than the sum of its proper divisors (21196661).

112113121131211 is a wasteful number, since it uses less digits than its factorization.

112113121131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21196660.

The product of its digits is 72, while the sum is 22.

Adding to 112113121131211 its reverse (112131121311211), we get a palindrome (224244242442422).

The spelling of 112113121131211 in words is "one hundred twelve trillion, one hundred thirteen billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred eleven".