22201320210023 has 4 divisors (see below), whose sum is σ = 22201329781008. Its totient is φ = 22201310639040.

The previous prime is 22201320209993. The next prime is 22201320210079. The reversal of 22201320210023 is 32001202310222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22201320210023 - 2¹² = 22201320205927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201320209977 and 22201320210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201320210523) 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, 1138103 + ... + 6760023.

It is an arithmetic number, because the mean of its divisors is an integer number (5550332445252).

Almost surely, 2^{22201320210023} is an apocalyptic number.

22201320210023 is a deficient number, since it is larger than the sum of its proper divisors (9570985).

22201320210023 is an equidigital number, since it uses as much as digits as its factorization.

22201320210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9570984.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22201320210023 its reverse (32001202310222), we get a palindrome (54202522520245).

The spelling of 22201320210023 in words is "twenty-two trillion, two hundred one billion, three hundred twenty million, two hundred ten thousand, twenty-three".