202221441121 has 4 divisors (see below), whose sum is σ = 231110218432. Its totient is φ = 173332663812.

The previous prime is 202221441109. The next prime is 202221441139. The reversal of 202221441121 is 121144122202.

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 not a de Polignac number, because 202221441121 - 2¹³ = 202221432929 is a prime.

It is a super-2 number, since 2×202221441121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202221441092 and 202221441101.

It is not an unprimeable number, because it can be changed into a prime (202221441151) 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, 14444388645 + ... + 14444388658.

It is an arithmetic number, because the mean of its divisors is an integer number (57777554608).

Almost surely, 2^202221441121 is an apocalyptic number.

It is an amenable number.

202221441121 is a deficient number, since it is larger than the sum of its proper divisors (28888777311).

202221441121 is an equidigital number, since it uses as much as digits as its factorization.

202221441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28888777310.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202221441121 its reverse (121144122202), we get a palindrome (323365563323).

The spelling of 202221441121 in words is "two hundred two billion, two hundred twenty-one million, four hundred forty-one thousand, one hundred twenty-one".