22100100203 has 4 divisors (see below), whose sum is σ = 22101205560. Its totient is φ = 22098994848.

The previous prime is 22100100193. The next prime is 22100100247. The reversal of 22100100203 is 30200100122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22100100203 - 2²⁸ = 21831664747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100100293) 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, 522125 + ... + 562862.

It is an arithmetic number, because the mean of its divisors is an integer number (5525301390).

Almost surely, 2^22100100203 is an apocalyptic number.

22100100203 is a deficient number, since it is larger than the sum of its proper divisors (1105357).

22100100203 is a wasteful number, since it uses less digits than its factorization.

22100100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105356.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22100100203 its reverse (30200100122), we get a palindrome (52300200325).

The spelling of 22100100203 in words is "twenty-two billion, one hundred million, one hundred thousand, two hundred three".