22210121203 has 4 divisors (see below), whose sum is σ = 22218559128. Its totient is φ = 22201683280.

The previous prime is 22210121191. The next prime is 22210121243. The reversal of 22210121203 is 30212101222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30212101222 = 2 ⋅15106050611.

It is a cyclic number.

It is not a de Polignac number, because 22210121203 - 2¹³ = 22210113011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22210121243) 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, 4215013 + ... + 4220278.

It is an arithmetic number, because the mean of its divisors is an integer number (5554639782).

Almost surely, 2^22210121203 is an apocalyptic number.

22210121203 is a deficient number, since it is larger than the sum of its proper divisors (8437925).

22210121203 is an equidigital number, since it uses as much as digits as its factorization.

22210121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437924.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22210121203 its reverse (30212101222), we get a palindrome (52422222425).

The spelling of 22210121203 in words is "twenty-two billion, two hundred ten million, one hundred twenty-one thousand, two hundred three".