22100100023 has 4 divisors (see below), whose sum is σ = 22196607240. Its totient is φ = 22003592808.

The previous prime is 22100099993. The next prime is 22100100047. The reversal of 22100100023 is 32000100122.

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 22100100023 - 2⁸ = 22100099767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100099977 and 22100100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100100073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48253265 + ... + 48253722.

It is an arithmetic number, because the mean of its divisors is an integer number (5549151810).

Almost surely, 2^22100100023 is an apocalyptic number.

22100100023 is a deficient number, since it is larger than the sum of its proper divisors (96507217).

22100100023 is an equidigital number, since it uses as much as digits as its factorization.

22100100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96507216.

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

Adding to 22100100023 its reverse (32000100122), we get a palindrome (54100200145).

Subtracting 22100100023 from its reverse (32000100122), we obtain a palindrome (9900000099).

The spelling of 22100100023 in words is "twenty-two billion, one hundred million, one hundred thousand, twenty-three".