22020110010221 has 4 divisors (see below), whose sum is σ = 22020119433600. Its totient is φ = 22020100586844.

The previous prime is 22020110010167. The next prime is 22020110010233. The reversal of 22020110010221 is 12201001102022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 22020110010221 - 2¹⁰ = 22020110009197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020110010196 and 22020110010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020110010121) 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, 1719620 + ... + 6855458.

It is an arithmetic number, because the mean of its divisors is an integer number (5505029858400).

Almost surely, 2^{22020110010221} is an apocalyptic number.

It is an amenable number.

22020110010221 is a deficient number, since it is larger than the sum of its proper divisors (9423379).

22020110010221 is an equidigital number, since it uses as much as digits as its factorization.

22020110010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423378.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22020110010221 its reverse (12201001102022), we get a palindrome (34221111112243).

The spelling of 22020110010221 in words is "twenty-two trillion, twenty billion, one hundred ten million, ten thousand, two hundred twenty-one".