11201210112123 has 12 divisors (see below), whose sum is σ = 16221118333680. Its totient is φ = 7448276816016.

The previous prime is 11201210112097. The next prime is 11201210112133. The reversal of 11201210112123 is 32121101210211.

It is a happy number.

It is not a de Polignac number, because 11201210112123 - 2¹⁰ = 11201210111099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201210112096 and 11201210112105.

It is not an unprimeable number, because it can be changed into a prime (11201210112133) 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, 1599712311 + ... + 1599719312.

It is an arithmetic number, because the mean of its divisors is an integer number (1351759861140).

Almost surely, 2^{11201210112123} is an apocalyptic number.

11201210112123 is a deficient number, since it is larger than the sum of its proper divisors (5019908221557).

11201210112123 is a wasteful number, since it uses less digits than its factorization.

11201210112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199432018 (or 3199432015 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11201210112123 its reverse (32121101210211), we get a palindrome (43322311322334).

The spelling of 11201210112123 in words is "eleven trillion, two hundred one billion, two hundred ten million, one hundred twelve thousand, one hundred twenty-three".