22103203221121 has 12 divisors (see below), whose sum is σ = 24301001913300. Its totient is φ = 20089069209440.

The previous prime is 22103203221119. The next prime is 22103203221133. The reversal of 22103203221121 is 12112230230122.

It can be written as a sum of positive squares in 2 ways, for example, as 21440965332721 + 662237888400 = 4630439^2 + 813780^2 .

It is not a de Polignac number, because 22103203221121 - 2¹ = 22103203221119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22103203221092 and 22103203221101.

It is not an unprimeable number, because it can be changed into a prime (22103203221181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21085726 + ... + 22109143.

It is an arithmetic number, because the mean of its divisors is an integer number (2025083492775).

Almost surely, 2^{22103203221121} is an apocalyptic number.

It is an amenable number.

22103203221121 is a deficient number, since it is larger than the sum of its proper divisors (2197798692179).

22103203221121 is a wasteful number, since it uses less digits than its factorization.

22103203221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43199120 (or 43199109 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22103203221121 its reverse (12112230230122), we get a palindrome (34215433451243).

The spelling of 22103203221121 in words is "twenty-two trillion, one hundred three billion, two hundred three million, two hundred twenty-one thousand, one hundred twenty-one".