112121212101011 has 16 divisors (see below), whose sum is σ = 122218732247040. Its totient is φ = 102465226618560.

The previous prime is 112121212100999. The next prime is 112121212101037. The reversal of 112121212101011 is 110101212121211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112121212101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121212100011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303902855 + ... + 304271568.

It is an arithmetic number, because the mean of its divisors is an integer number (7638670765440).

Almost surely, 2^{112121212101011} is an apocalyptic number.

112121212101011 is a deficient number, since it is larger than the sum of its proper divisors (10097520146029).

112121212101011 is a wasteful number, since it uses less digits than its factorization.

112121212101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608174786.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112121212101011 its reverse (110101212121211), we get a palindrome (222222424222222).

The spelling of 112121212101011 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twelve million, one hundred one thousand, eleven".