22120102222123 has 4 divisors (see below), whose sum is σ = 22152488902488. Its totient is φ = 22087715541760.

The previous prime is 22120102222013. The next prime is 22120102222159. The reversal of 22120102222123 is 32122220102122.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22120102222123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120102222094 and 22120102222103.

It is not an unprimeable number, because it can be changed into a prime (22120102222523) 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, 16193339158 + ... + 16193340523.

It is an arithmetic number, because the mean of its divisors is an integer number (5538122225622).

Almost surely, 2^{22120102222123} is an apocalyptic number.

22120102222123 is a deficient number, since it is larger than the sum of its proper divisors (32386680365).

22120102222123 is an equidigital number, since it uses as much as digits as its factorization.

22120102222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32386680364.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22120102222123 its reverse (32122220102122), we get a palindrome (54242322324245).

The spelling of 22120102222123 in words is "twenty-two trillion, one hundred twenty billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-three".