22120112003 has 24 divisors (see below), whose sum is σ = 25761259440. Its totient is φ = 18913664000.

The previous prime is 22120111973. The next prime is 22120112017. The reversal of 22120112003 is 30021102122.

It is a happy number.

It is not a de Polignac number, because 22120112003 - 2²⁸ = 21851676547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120112803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4376828 + ... + 4381878.

It is an arithmetic number, because the mean of its divisors is an integer number (1073385810).

Almost surely, 2^22120112003 is an apocalyptic number.

22120112003 is a deficient number, since it is larger than the sum of its proper divisors (3641147437).

22120112003 is a wasteful number, since it uses less digits than its factorization.

22120112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219 (or 7208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22120112003 its reverse (30021102122), we get a palindrome (52141214125).

The spelling of 22120112003 in words is "twenty-two billion, one hundred twenty million, one hundred twelve thousand, three".