112221102123 has 12 divisors (see below), whose sum is σ = 174566159040. Its totient is φ = 69059139696.

The previous prime is 112221102079. The next prime is 112221102127. The reversal of 112221102123 is 321201122211.

It is a de Polignac number, because none of the positive numbers 2^k-112221102123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112221102096 and 112221102105.

It is not an unprimeable number, because it can be changed into a prime (112221102127) 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, 479577243 + ... + 479577476.

It is an arithmetic number, because the mean of its divisors is an integer number (14547179920).

Almost surely, 2^112221102123 is an apocalyptic number.

112221102123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

112221102123 is a deficient number, since it is larger than the sum of its proper divisors (62345056917).

112221102123 is a wasteful number, since it uses less digits than its factorization.

112221102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959154738 (or 959154735 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112221102123 its reverse (321201122211), we get a palindrome (433422224334).

The spelling of 112221102123 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred two thousand, one hundred twenty-three".