112200021123 has 4 divisors (see below), whose sum is σ = 149600028168. Its totient is φ = 74800014080.

The previous prime is 112200021119. The next prime is 112200021161. The reversal of 112200021123 is 321120002211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112200021123 - 2² = 112200021119 is a prime.

It is a super-2 number, since 2×112200021123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112200021103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18700003518 + ... + 18700003523.

It is an arithmetic number, because the mean of its divisors is an integer number (37400007042).

Almost surely, 2^112200021123 is an apocalyptic number.

112200021123 is a deficient number, since it is larger than the sum of its proper divisors (37400007045).

112200021123 is an equidigital number, since it uses as much as digits as its factorization.

112200021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37400007044.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112200021123 its reverse (321120002211), we get a palindrome (433320023334).

The spelling of 112200021123 in words is "one hundred twelve billion, two hundred million, twenty-one thousand, one hundred twenty-three".