22210102022221 has 4 divisors (see below), whose sum is σ = 22210344658944. Its totient is φ = 22209859385500.

The previous prime is 22210102022219. The next prime is 22210102022279. The reversal of 22210102022221 is 12222020101222.

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.

It is a cyclic number.

It is not a de Polignac number, because 22210102022221 - 2¹ = 22210102022219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210102022621) 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, 121181005 + ... + 121364146.

It is an arithmetic number, because the mean of its divisors is an integer number (5552586164736).

Almost surely, 2^{22210102022221} is an apocalyptic number.

It is an amenable number.

22210102022221 is a deficient number, since it is larger than the sum of its proper divisors (242636723).

22210102022221 is an equidigital number, since it uses as much as digits as its factorization.

22210102022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242636722.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22210102022221 its reverse (12222020101222), we get a palindrome (34432122123443).

The spelling of 22210102022221 in words is "twenty-two trillion, two hundred ten billion, one hundred two million, twenty-two thousand, two hundred twenty-one".